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- About Greg Cording
Greg Cording
Beginner
Been in the telecom's industry since 1994 mostly supporting Enterprise Voice. Currently a UC Design Engineer, perhaps tomorrow WebRTC coder..
Project life-cycle, capture customer requirements, analysis and production of High/Low-Level Voice Designs for Cisco Unified Communications Manager (CUCM) and Avaya Aura Communications Manager.
Change Management (RFC/CRQ) and implementation oversight, operational hand-off.
Biography from communities:
Innovation and excellence of SIP, H.323, VoIP, Video and Unified Communications through the design, implementation and support life-cycles, enables me to deliver next generation multimedia solutions and applications empowering the business, the workforce and their customers.
Avaya Certification held:
ACE - IP Telephony Certificate
APDS Unified Communications
ACS - Design: IP Telephony Certificate
ACS - Implement: IP Telephony Certificate
ACA - Implement: Call Center Certificate
ACA - Design: IP Telephony Certificate
ACA - Implement: IP Telephony Certificate
Avaya Product Authorized:
PA - Sales: Avaya Aura Communication Manager Enterprise Certificate
PA - Sales: Avaya Aura Communication Manager Mid-Market Certificate
PA - Design: one-X Portal Certificate
PA - Implement: Avaya Aura Communication Manager Mid-Market Certificate
PA - Sales: one-X Portal Certificate
PA - Implement: one-X Portal Certificate
PAA - Sales: Wireless Certificate
PAA - Implement: Session Initiation Protocol
PAA - Sales: Session Initiation Protocol
Completing Cisco Network Academy for CCNA
Specialties: Avaya Aura Communication Manager (CM)
Avaya Aura Session Manager (SM) and SES
Avaya System Manager (SMgr)
Avaya Common Servers and S8xx Media Servers.
Avaya Aura Messaging (MAS/MSS)
Gxxx Media Gateways
46xx, 96xx, 96x1 IP Phones
Avaya One-X UC
Avaya Intelligent Presence Server (IPS)
Avaya Applications Services Server (AES)
Cisco Unified Communications Manager 7.X
Cisco Unity Connection 7.X
Fixed Mobile Convergence (FMC)
IP Network Region Design
QoS Cos EF, AF
CAC-BL
IGAR
SIP
H.323
VoIP
Expertise:
ACE – Avaya Certified Expert
ACS - Avaya Certified Specialist IP Telephony Design
ACA - Avaya Certified Associate IP Telephony Implement
ACA - Avaya Certified Associate Contact Centre Implement
CCNA training with Cisco Net Academy (http://www.cisco.com/web/learning/netacad/index.html)
CCNA 1
Avaya Product Authorization
PAACS-201 PAA Sales: Wireless
PACSS-100 PA Sales: Avaya Communication Manager - Simplex IP Telephony
PACSS-200 PA Sales: Avaya Communication Manager - Complex IP Telephony
Other Accreditations
Avaya IP office Avaya Network Alchemy, Voicemail Pro. Install and support.
Avaya IP Office Avaya Network Alchemy, Argent Office/Branch install and support.
Tie Communications Onyx Systems Administration and Support.
Tie Communications ISDN30/2r Integrated Services Digital Networks Course maintenance.
College Qualifications.
Btec: Higher National Diploma in Telecommunication and Electronic Engineering
Btec: First Diploma in Engineering
Btec: Mathematics Level III
City and Guilds: RAE Licensing Conditions and transmitter Interference Operating procedures, Practices and Theory. (Exam passed aged 14 years old).
RYA Powerboat Level II, RYA Powerboat Advanced, RYA Competent Crew, RYA First Aid, RYA Sea Survival
PADI Open Water Diver, PADI Advanced Diver
First Aid
IEHO Basic Health and Safety at Work Certified.
Been in the telecom's industry since 1994 mostly supporting Enterprise Voice. Currently a UC Design Engineer, perhaps tomorrow WebRTC coder..
Project life-cycle, capture customer requirements, analysis and production of High/Low-Level Voice Designs for Cisco Unified Communications Manager (CUCM) and Avaya Aura Communications Manager.
Change Management (RFC/
Recent Badges
Stats
Member since
09-15-2003
22
Posts
10
Helpful
1
Solution
10-13-2015
04:47 AM
Might be worth checking if VAD is in use during a call, VAD generates background noise (comfort-noise or hiss) to fill silent gaps during calls. http://www.cisco.com/c/en/us/support/docs/voice/voice-quality/22388-hissing.html TCC_2 posted "How to confirm that VAD is enabled and how to disable it on Cisco IOS gateways" this some years ago.. Resolution To confirm whether Voice Activity Detection (VAD) is enabled on a call-by-call basis, perform these steps: Make a call. Issue the show call active (brief) command. Check the values for the Voice over IP (VoIP) call leg. To disable VAD, perform these steps: Confirm that the correct dial peer is being matched. Issue the no vad command under the VoIP dial peer. https://supportforums.cisco.com/document/17766/how-confirm-vad-enabled-and-how-disable-it-cisco-ios-gateways
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
09-25-2015
04:39 AM
09-25-2015
04:39 AM
not familiar with Expressway so might be off the mark here but if you are looking to upload a Certificate Authority (CA) root certificate and application certificate say for use by Phone Devices with CAPF to sign LSC X.509 this is detailed in "Cisco Unified Communications Operating System Administration Guide, Release 9.1(1)" http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/cucos/9_1_1/CUCM_BK_C5D96C80_00_cucm-os-admin-guide-91/CUCM_BK_C5D96C80_00_cucm-os-admin-guide-91_chapter_0110.html#CUCM_TK_U93D2E37_00 "Cisco Unified Communications Operating System supports certificates that a third-party CA issues with PKCS#10 Certificate Signing Request (CSR)." Hope this helps. Greg
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
09-25-2015
03:52 AM
09-25-2015
03:52 AM
Also if you are deploying 802.1X you might find this community document of great interest. https://supportforums.cisco.com/document/73611/ip-phone-security-and-ctl-certificate-trust-list Also consider Supplicant Link State Changes on the IP phones Switch Port, another great document attached. Good luck with your project. Greg
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09-24-2015
07:53 AM
"Generate CAPF report" Page 117 of the attached.. Hope this helps. Greg
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-13-2009
08:57 AM
12-13-2009
08:57 AM
We have resolved this issue.. We found the VG 224 on IOS Version 12.4(24)T2 and having the entry "mgcp modem passthrough voip redundancy" brakes the ability of the DSP Codec to determine the difference between and incoming Fax call and an incoming Modem Data Call. By removing "mgcp modem passthrough voip redundancy" we were able to get Modem Passthrough successfully running. Hope this helps someome else. Copy of our config: ccm-manager fallback-mgcp ccm-manager redundant-host xxx.xxx.xxx.xxx ccm-manager mgcp ccm-manager music-on-hold ccm-manager config server xxx.xxx.xxx.xxx ccm-manager config mgcp mgcp call-agent xxx.xxx.xxx.xxx 2427 service-type mgcp version 0.1 mgcp dtmf-relay voip codec all mode cisco mgcp rtp unreachable timeout 1000 action notify mgcp modem passthrough voip mode nse mgcp modem passthrough voip codec g711alaw mgcp codec g711alaw packetization-period 20 mgcp package-capability rtp-package mgcp package-capability sst-package no mgcp package-capability res-package no mgcp package-capability fxr-package no mgcp timer receive-rtcp mgcp sdp simple mgcp rtp payload-type g726r16 static mgcp bind control source-interface FastEthernet0/0 mgcp bind media source-interface FastEthernet0/0 Regards Greg
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-10-2009
03:33 PM
12-10-2009
03:33 PM
About the 5th attempt to add the screen shot, keep getting unexpected error.. grrrr. Didnt really explain "list trace tac" this will show you what CPN Number and Name is being generated by the Avaya when setting up the call to CUCM. Assuming that the Avaya Communication Manager has a CLAn MedPro and RTUs you could setup a H.323 Trunk between the two systems, this would save you transport costs assuming both are on the same Corp Network. Cheers Greg
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-10-2009
02:54 PM
12-10-2009
02:54 PM
Hi Get the tech to check Page 2 of the trunk form and confirm: The Numbering Format is set to public. Send Calling Number is Yes Send Connected number set to yes if you want to the connected number to be displayed on the tandemed call. Then goto change isdn public-unknown-numbering set: Extension Length (number of digits on the extension number) Extension Code (the leading digit of the Extension range) Trk Grup of the tie circuit Leave CPN prefix Blank Total CPN Length (total digits in the numbering plan e.g. 5 for 1xxxxx) That should do it.. Also get the tech to run a List Trac TAC XXX where XXX is the TAC: adminsitered on Page 1 (top right) of the tie trunk group. Let me know how you get on. Cheers Greg
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-10-2009
02:53 PM
12-10-2009
02:53 PM
Hi Get the tech to check Page 2 of the trunk form and confirm: The Numbering Format is set to public. Send Calling Number is Yes Send Connected number set to yes if you want to the connected number to be displayed on the tandemed call. Then goto change isdn public-unknown-numbering set: Extension Length (number of digits on the extension number) Extension Code (the leading digit of the Extension range) Trk Grup of the tie circuit Leave CPN prefix Blank Total CPN Length (total digits in the numbering plan e.g. 5 for 1xxxxx) That should do it.. Also get the tech to run a List Trac TAC XXX where XXX is the TAC: adminsitered on Page 1 (top right) of the tie trunk group. Let me know how you get on. Cheers Greg www.linkedin.com/in/gcording
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-10-2009
02:14 PM
12-10-2009
02:14 PM
Hi Again Following on from the thought that the 3845 is miss categorizing the Modem V.92 Call as a Fax call I completed two test calls. One V.92 Call to the Modem Pool and another Fax call to a Fax Machine on the same VG 224 Gateway. I ran two "debug voice vtsp", one the V.92 and the other for the Fax call and placed them side by side for comparison. Now I am no expert on reading these debugs but to me it looks like the V.92 Modem Call is being treated as if it were a Fax call with the exception of a couple of lines that done seem to be anything to do with Modem Passthrough? If anyone has any experience of looking at these traces I would really appreciate an expert option my theory? Thanks Greg (Left and Righ Scoll Bar at the bottom of the page) Data Call to Modem Pool Hunt Pilot Fax call SMFRA0PAR07VGW02# SMFRA0PAR07VGW02# Dec 10 21:27:37.379: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:36:39.173: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Fax Relay=DISABLED - MGCP Application Fax Relay=DISABLED - MGCP Application Primary Fax Protocol=IGNORE_FAX_RELAY, Fallback Fax Protocol=IGNORE_FAX_RELAY Primary Fax Protocol=IGNORE_FAX_RELAY, Fallback Fax Protocol=IGNORE_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Fax Parameters Set By=MGCP Call Type Dec 10 21:27:37.383: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:36:51.353: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Fax Relay=ENABLED Fax Relay=ENABLED Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Fax Parameters Set By=MGCP Call Type Dec 10 21:27:37.383: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:36:51.353: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: LS Red=0, HS Red=0 LS Red=0, HS Red=0 Dec 10 21:27:39.487: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_media_event_cb: Dec 10 21:36:53.449: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_media_event_cb: Event=E_DSMP_DSP_REPORT_PEER_TO_PEER_MSG Event=E_DSMP_DSP_REPORT_PEER_TO_PEER_MSG Dec 10 21:27:39.487: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_handle_rtp_p2p_msg: P2P event 192 received. Dec 10 21:36:53.449: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_handle_rtp_p2p_msg: P2P event 192 received. Dec 10 21:27:39.567: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_peer_event_cb: Dec 10 21:36:53.533: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_peer_event_cb: Event=E_DSM_CC_MODIFY_MEDIA_ACK Event=E_DSM_CC_MODIFY_MEDIA_ACK Dec 10 21:27:39.567: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:36:53.533: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Fax Relay=ENABLED Fax Relay=ENABLED Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Fax Parameters Set By=MGCP Call Type Dec 10 21:27:39.567: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:36:53.533: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: LS Red=0, HS Red=0 LS Red=0, HS Red=0 Dec 10 21:36:57.369: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_peer_event_cb: Event=E_DSM_CC_MR_START Dec 10 21:27:54.403: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:37:26.370: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Fax Relay=ENABLED Fax Relay=ENABLED Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Fax Parameters Set By=MGCP Call Type Dec 10 21:27:54.403: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:37:26.370: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: LS Red=0, HS Red=0 LS Red=0, HS Red=0 Dec 10 21:27:54.415: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_report_digit_control: Dec 10 21:37:26.378: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_report_digit_control: Dec 10 21:27:54.415: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_report_digit_control: Dec 10 21:37:26.378: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_report_digit_control: Digit Reporting=FALSE Digit Reporting=FALSE Dec 10 21:27:54.415: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_process_event: Dec 10 21:37:26.378: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_process_event: [state:S_CONNECT, event:E_CC_DISCONNECT] [state:S_CONNECT, event:E_CC_DISCONNECT] Dec 10 21:27:54.415: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/act_disconnect: Dec 10 21:37:26.378: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/act_disconnect: Cause Value=16 Cause Value=16 Dec 10 21:27:54.415: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_ring_noan_timer_stop: Dec 10 21:37:26.378: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_ring_noan_timer_stop: Timer Stop Time=3438243 Timer Stop Time=3495438 Dec 10 21:27:54.415: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:37:26.378: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Fax Relay=ENABLED Fax Relay=ENABLED Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Primary Fax Protocol=T38_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Fax Parameters Set By=MGCP Call Type Dec 10 21:27:54.415: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: Dec 10 21:37:26.378: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_dsm_save_fax_config: LS Red=0, HS Red=0 LS Red=0, HS Red=0 Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_process_event: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_process_event: [state:S_WAIT_STATS, event:E_VTSP_DSM_STATS_COMPLETE] [state:S_WAIT_STATS, event:E_VTSP_DSM_STATS_COMPLETE] Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/act_dsm_dsp_stats_complete: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/act_dsm_dsp_stats_complete: Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_timer: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_timer: Timer Start Time=3438244, Timer Value=60000(ms) Timer Start Time=3495440, Timer Value=60000(ms) Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_process_event: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_process_event: [state:S_WAIT_RELEASE, event:E_TSP_DISCONNECT_CONF] [state:S_WAIT_RELEASE, event:E_TSP_DISCONNECT_CONF] Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/act_wrelease_release: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/act_wrelease_release: Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_play_busy_timer_stop: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_play_busy_timer_stop: Timer Stop Time=3438244 Timer Stop Time=3495440 Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_timer_stop: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_timer_stop: Timer Stop Time=3438244 Timer Stop Time=3495440 Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:1:1/vtsp_is_valid_dsm_handle: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:1:1/vtsp_is_valid_dsm_handle: DMGR=0x68D65124, VTSP CDB=0x7123C2E0 DMGR=0x68D65124, VTSP CDB=0x7123B7C0 Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:-1:-1/vtsp_process_event: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:-1:-1/vtsp_process_event: [state:S_CLOSE_DSPRM, event:E_VTSP_DSM_CLOSE_COMPLETE] [state:S_CLOSE_DSPRM, event:E_VTSP_DSM_STATS_COMPLETE] Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:-1:-1/vtsp_process_event: Unexpected EVENT [E_VTSP_DSM_STATS_COMPLETE] Received For STATE [S_CLOSE_DSPRM]; Previous STATE [0.17 ] Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:-1:-1/vtsp_process_event: [state:S_CLOSE_DSPRM, event:E_VTSP_DSM_CLOSE_COMPLETE] Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:-1:-1/act_terminate: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:-1:-1/act_terminate: Dec 10 21:27:54.427: //1445/81061D8682D4/VTSP:(0/1/1:15):-1:-1:-1/vtsp_timer_stop: Dec 10 21:37:26.394: //1449/EF17FD8782D6/VTSP:(0/1/1:15):-1:-1:-1/vtsp_timer_stop: Timer Stop Time=3438244 Timer Stop Time=3495440 Dec 10 21:27:54.427: //-1/81061D8682D4/VTSP:(0/1/1:15):-1:-1:-1/vtsp_free_cdb: Dec 10 21:37:26.394: //-1/EF17FD8782D6/VTSP:(0/1/1:15):-1:-1:-1/vtsp_free_cdb: CDB=0x7123C2E0 CDB=0x7123B7C0 SMFRA0PAR07VGW02# SMFRA0PAR07VGW02#
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-10-2009
06:57 AM
12-10-2009
06:57 AM
Hi All We migrated from Avaya G3r to CUCM 7.X in our new office and currently have two issues related to Modem Passthrough. If we initiate an Modem > V 224 (MGCP) > outward > 3845 (MGCP) > E1 Controller PRI > PSTN Modem Dail-up this works fine! However If we receive a PSTN > E1 Controller PRI > 3845 (MGCP) > inward > VG 224 (MGCP) > Modem The Modem answers but calling party can hear the tones cutting in and out (like it does on Fax calls which work, is this a polling or listening action to determine the data type?) but the modems fail to handshake and negate a connection. Also if we try placing an internal call modem call on the same VG 224 from Port 1 to 2 the Dial Up also fails with the same strange tones being heard. With regards to the Inward PSTN issue I have investigated the 3845 GW2 and found that if I run a "sh mgcp" Modem Passthrough is showing as disabled, however when i look at the Gateway in CUCM 7.X it shows as enabled? SMFRA0PAR07VGW01#sh mgcp MGCP voip modem passthrough mode: NSE, codec: g711alaw, redundancy: ENABLED, MGCP voaal2 modem passthrough disabled MGCP voip modem relay: Disabled Screen shot of CUCM 7.X showing Modem Passthrough Enabled. sh run Building configuration... Current configuration : 6212 bytes ! ! Last configuration change at 13:50:31 GMT Thu Dec 10 2009 ! version 12.4 service timestamps debug datetime msec service timestamps log datetime localtime no service password-encryption ! hostname GW02 (edited)) ! boot-start-marker boot-end-marker ! card type e1 0 0 card type e1 0 1 logging message-counter syslog logging buffered 51200 warnings enable secret 5 xxxxx. ! no aaa new-model clock timezone GMT 1 clock summer-time Paris recurring last Sun Mar 2:00 last Sun Oct 3:00 network-clock-participate wic 0 network-clock-participate wic 1 network-clock-select 1 E1 0/0/0 network-clock-select 2 E1 0/1/1 network-clock-select 3 E1 0/0/1 ! dot11 syslog ip source-route ! ! ip cef ! ! no ip domain lookup ip domain name france.sun.com no ipv6 cef ! multilink bundle-name authenticated ! ! ! ! isdn switch-type primary-net5 ! voice-card 0 dsp services dspfarm ! ! ! voice service pots ! voice service voip fax protocol cisco ! ! ! voice class codec 1 codec preference 1 g711alaw codec preference 2 g711ulaw codec preference 3 g729r8 ! ! ! ! voice class h323 1 h225 timeout tcp establish 3 ! ! ! ! ! ! ! ! ! ! ! ! ! crypto pki trustpoint TP-self-signed-1950490180 enrollment selfsigned subject-name cn=IOS-Self-Signed-Certificate-1950490180 revocation-check none rsakeypair TP-self-signed-1950490180 ! ! crypto pki certificate chain TP-self-signed-1950490180 certificate self-signed 01 bla bla quit ! ! ! ! ! ! ! controller E1 0/0/0 framing NO-CRC4 pri-group timeslots 1-31 service mgcp ! controller E1 0/0/1 framing NO-CRC4 pri-group timeslots 1-31 service mgcp ! controller E1 0/1/0 framing NO-CRC4 pri-group timeslots 1-31 service mgcp ! controller E1 0/1/1 framing NO-CRC4 pri-group timeslots 1-31 service mgcp ! ! ! interface Loopback0 ip address xxx.xxx.xxx.xxx 255.255.255.255 ! interface GigabitEthernet0/0 ip address xxx.xxx.xxx.xxx 255.255.255.224 ip ospf message-digest-key 1 md5 xxxxxx ip ospf cost 2 duplex auto speed auto media-type rj45 ! interface GigabitEthernet0/1 ip address xxx.xxx.xxx.xxx 255.255.255.224 ip ospf message-digest-key 1 md5 xxxxx duplex auto speed auto media-type rj45 ! interface Serial0/0/0:15 no ip address encapsulation hdlc isdn switch-type primary-net5 isdn incoming-voice voice isdn bind-l3 ccm-manager no cdp enable ! interface Serial0/0/1:15 no ip address encapsulation hdlc isdn switch-type primary-net5 isdn incoming-voice voice isdn bind-l3 ccm-manager no cdp enable ! interface Serial0/1/0:15 no ip address encapsulation hdlc isdn switch-type primary-net5 isdn incoming-voice voice no cdp enable ! interface Serial0/1/1:15 no ip address encapsulation hdlc isdn switch-type primary-net5 isdn incoming-voice voice isdn bind-l3 ccm-manager no cdp enable ! router ospf 1 router-id 129.157.57.253 log-adjacency-changes area 65509 authentication message-digest network xxx.xxx.xxx.xxx 0.0.0.63 area xxx network xxx.xxx.xxx.xxx 0.0.0.0 area xxx ! ip forward-protocol nd ip route 0.0.0.0 0.0.0.0 xxx.xxx.xxx.xxx ip route 0.0.0.0 0.0.0.0 xxx.xxx.xxx.xxx ip http server ip http access-class 23 ip http authentication local ip http secure-server ip http timeout-policy idle 60 life 86400 requests 10000 --More-- ! ! ! kron occurrence write-memory at 22:00 recurring policy-list write-memory ! kron policy-list write-memory cli write memory cli write memory ! ! ! ! ! ! ! control-plane ! ! ! voice-port 0/1/0:15 ! voice-port 0/0/0:15 echo-cancel coverage 64 cptone FR bearer-cap Speech ! voice-port 0/0/1:15 echo-cancel coverage 64 cptone FR bearer-cap Speech ! voice-port 0/1/1:15 echo-cancel coverage 64 cptone FR bearer-cap Speech ! ccm-manager fallback-mgcp ccm-manager mgcp ccm-manager music-on-hold ccm-manager config server 129.157.28.11 ccm-manager config ! mgcp mgcp call-agent 129.157.28.11 2427 service-type mgcp version 0.1 mgcp dtmf-relay voip codec all mode cisco mgcp rtp unreachable timeout 1000 action notify mgcp modem passthrough voip mode nse mgcp package-capability rtp-package mgcp package-capability sst-package mgcp package-capability pre-package no mgcp package-capability res-package no mgcp timer receive-rtcp mgcp sdp simple mgcp rtp payload-type g726r16 static mgcp bind control source-interface Loopback0 mgcp bind media source-interface Loopback0 ! mgcp profile default ! ! ! ! ! ! line con 0 password xxxxxx login local line aux 0 line vty 0 4 session-timeout 60 privilege level 15 password attrul35 login transport input telnet ssh line vty 5 15 session-timeout 60 privilege level 15 password attrul35 login transport input telnet ssh ! scheduler allocate 20000 1000 ntp server xxx.xxxx.xxx.xxx ntp server xxx.xxx.xxx.xxx end GW02# Here is a VTSP debug for an PSTN > E1 Controller PRI > 3845 (MGCP) > inward > VG 224 (MGCP) > Modem Question, Ive never read any of these debugs before but is this showing that it thinks the modem call is a Fax call? show debug VTSP: debug voip vtsp event is ON (filter is OFF) debug voip vtsp error software is ON debug voip vtsp error call is ON (filter is OFF) debug voip vtsp inout is ON (filter is OFF) SMFRA0PAR07VGW03# Dec 9 10:16:33.950: //-1/xxxxxxxxxxxx/VTSP:(2/12):-1:-1:-1/vtsp_allocate_cdb: CDB=0x64C70608 Dec 9 10:16:33.950: //-1/xxxxxxxxxxxx/VTSP:(2/12):-1:-1:-1/vtsp_insert_cdb: Dec 9 10:16:33.954: //-1/xxxxxxxxxxxx/VTSP:(2/12):-1:-1:-1/vtsp_process_event: [state:INVALID STATE MACHINE, event:E_CC_SETUP_REQ] Dec 9 10:16:33.954: //18/C2E38E9A8007/VTSP:(2/12):-1:-1:-1/vtsp_og_call_req: Echo Cancel=TRUE, Gain Control=0 Auto Gain Control=FALSE, Dual Tone Detect Mask=0x0, Seq Tone Detect=FALSE Dec 9 10:16:33.958: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_SETUP_REQ_PEND, event:E_VTSP_DSM_OPEN_SUCCESS] Dec 9 10:16:33.958: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_setup_req_pend_suc c: Dec 9 10:16:33.958: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_request_call: Mode=9, Peer=0 Dec 9 10:16:33.958: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_request_call: Progress Indication=0, Info Trans Capability=0 Calling Number=, TON=Unknown, NPI=Unknown, Screening=Not Screened, Presentati on=Allowed Called Number=, TON=Unknown, NPI=Unknown Dec 9 10:16:33.962: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_SETUP_REQUEST, event:E_TSP_PROCEEDING] Dec 9 10:16:33.962: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_setup_pend_proceed ing: Dec 9 10:16:33.962: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_timer: Timer Start Time=146185, Timer Value=25000(ms) Dec 9 10:16:33.962: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_setup_pend_proceed ing: Peer=0, Progress Indication=0, Return Code=2 Dec 9 10:16:33.962: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_NULL, event:E_VTSP_DSM_OPEN_SUCCESS] Dec 9 10:16:33.966: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_setup_req_wait_pen d_success: Event=73 Dec 9 10:16:33.966: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_timer_stop: Timer Stop Time=146185 Dec 9 10:16:33.966: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_report_digit_cont rol: Dec 9 10:16:33.966: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_report_digit_cont rol: Digit Reporting=TRUE Dec 9 10:16:33.970: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_save_fax_conf ig: Fax Relay=DISABLED - MGCP Application Primary Fax Protocol=IGNORE_FAX_RELAY, Fallback Fax Protocol=IGNORE_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Dec 9 10:16:33.970: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_SETUP_REQ_PROC, event:E_CC_DO_CAPS_IND] Dec 9 10:16:33.970: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_peer_event_cb : Event=E_DSM_CC_CAPS_ACK Dec 9 10:16:33.970: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_SETUP_REQ_PROC, event:E_CC_CAPS_IND] Dec 9 10:16:33.970: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_peer_event_cb : Event=E_DSM_CC_CALL_MODIFY Dec 9 10:16:33.974: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_save_fax_conf ig: Fax Relay=DISABLED - MGCP Application Primary Fax Protocol=IGNORE_FAX_RELAY, Fallback Fax Protocol=IGNORE_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Dec 9 10:16:33.978: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_feature_notif y_cb: Feature ID=0, Feature Status=1 Dec 9 10:16:33.982: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_SETUP_REQ_PROC, event:E_CC_FEATURE] Dec 9 10:16:33.982: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_call_feature: Feature Type=24, Ring Cycle=0 Dec 9 10:16:33.982: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_SETUP_REQ_PROC, event:E_TSP_ALERT] Dec 9 10:16:33.982: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_setup_pend_alert_n o_timeout: Progress Indication=8 Dec 9 10:16:33.986: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_setup_pend_alert_n o_timeout: Ringback Indication=TRUE Dec 9 10:16:36.558: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_feature_notif y_cb: Feature ID=6, Feature Status=2 Dec 9 10:16:36.562: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_feature_notif y_cb: Feature ID=0, Feature Status=1 Dec 9 10:16:36.758: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_SETUP_REQ_PROC, event:E_TSP_CONNECT] Dec 9 10:16:36.758: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_ring_noan_timer_s top: Timer Stop Time=146464 Dec 9 10:16:36.762: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_CONNECT, event:E_CC_FEATURE] Dec 9 10:16:36.762: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_call_feature: Feature Type=34 Dec 9 10:16:36.770: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_report_digit_cont rol: Dec 9 10:16:36.770: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_report_digit_cont rol: Digit Reporting=TRUE Dec 9 10:16:36.774: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_save_fax_conf ig: Fax Relay=ENABLED Primary Fax Protocol=CISCO_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Dec 9 10:16:39.754: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_media_event_c b: Event=E_DSMP_DSP_MODEM_TONE Dec 9 10:16:39.794: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_peer_event_cb : Event=E_DSM_CC_MODIFY_MEDIA_ACK Dec 9 10:16:39.794: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_save_fax_conf ig: Fax Relay=ENABLED Primary Fax Protocol=CISCO_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Dec 9 10:16:53.394: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_report_digit_cont rol: Dec 9 10:16:53.394: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_report_digit_cont rol: Digit Reporting=FALSE Dec 9 10:16:53.398: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_save_fax_conf ig: Fax Relay=ENABLED Primary Fax Protocol=CISCO_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Dec 9 10:16:53.410: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_CONNECT, event:E_CC_FEATURE] Dec 9 10:16:53.410: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_call_feature: Feature Type=6 Dec 9 10:16:53.414: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_save_fax_conf ig: Fax Relay=ENABLED Primary Fax Protocol=CISCO_FAX_RELAY, Fallback Fax Protocol=CISCO_FAX_RELAY Fax Relay CM Suppression :=ENABLED, Fax Relay ANS Suppression :=DISABLED Fax Parameters Set By=MGCP Call Type Dec 9 10:16:55.634: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_CONNECT, event:E_TSP_DISCONNECT_IND] Dec 9 10:16:55.634: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_generate_disc: Cause Value=16 Dec 9 10:16:55.634: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_timer_stop: Timer Stop Time=148352 Dec 9 10:16:55.634: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_ring_noan_timer_s top: Timer Stop Time=148352 Dec 9 10:16:55.634: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_set_release_sourc e: Release Direction=PSTN, Release Source=Called Party-PSTN Dec 9 10:16:55.634: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_timer: Timer Start Time=148352, Timer Value=15000(ms) Dec 9 10:16:55.634: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_generate_disc: Return Code=0 Dec 9 10:16:55.638: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_CONNECT, event:E_CC_DISCONNECT] Dec 9 10:16:55.638: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_disconnect: Cause Value=16, Previous Cause Value=16 Dec 9 10:16:55.638: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_ring_noan_timer_s top: Timer Stop Time=148352 Dec 9 10:16:55.638: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_dsm_save_fax_conf ig: Call Entry=NULL, Call Id=19 Dec 9 10:16:55.654: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_WAIT_STATS, event:E_VTSP_DSM_STATS_COMPLETE] Dec 9 10:16:55.654: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_dsm_dsp_stats_comp lete: Dec 9 10:16:55.654: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_timer: Timer Start Time=148354, Timer Value=60000(ms) Dec 9 10:16:55.654: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_process_event: [state:S_WAIT_RELEASE, event:E_TSP_DISCONNECT_CONF] Dec 9 10:16:55.658: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/act_wrelease_release: Dec 9 10:16:55.658: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_play_busy_timer_s top: Timer Stop Time=148354 Dec 9 10:16:55.658: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_timer_stop: Timer Stop Time=148354 Dec 9 10:16:55.658: //18/C2E38E9A8007/VTSP:(2/12):-1:1:2/vtsp_is_valid_dsm_hand le: DMGR=0x64B4C75C, VTSP CDB=0x64C70608 Dec 9 10:16:55.662: //18/C2E38E9A8007/VTSP:(2/12):-1:-1:-1/vtsp_process_event: [state:S_CLOSE_DSPRM, event:E_VTSP_DSM_CLOSE_COMPLETE] Dec 9 10:16:55.662: //18/C2E38E9A8007/VTSP:(2/12):-1:-1:-1/act_terminate: Dec 9 10:16:55.662: //18/C2E38E9A8007/VTSP:(2/12):-1:-1:-1/vtsp_timer_stop: Timer Stop Time=148355 Dec 9 10:16:55.662: //-1/C2E38E9A8007/VTSP:(2/12):-1:-1:-1/vtsp_free_cdb: CDB=0x64C70608no debug all All possible debugging has been turned off SMFRA0PAR07VGW03# SMFRA0PAR07VGW03#show call active voice brief <ID>: <CallID> <start>ms.<index> +<connect> pid:<peer_id> <dir> <addr> <state> dur hh:mm:ss tx:<packets>/<bytes> rx:<packets>/<bytes> IP <ip>:<udp> rtt:<time>ms pl:<play>/<gap>ms lost:<lost>/<early>/<late> delay:<last>/<min>/<max>ms <codec> media inactive detected:<y/n> media cntrl rcvd:<y/n> timestamp:<time> long duration call detected:<y/n> long duration call duration :<sec> timestamp: <time> MODEMPASS <method> buf:<fills>/<drains> loss <overall%> <multipkt>/<corrected> last <buf event time>s dur:<Min>/<Max>s FR <protocol> [int dlci cid] vad:<y/n> dtmf:<y/n> seq:<y/n> <codec> (payload size) ATM <protocol> [int vpi/vci cid] vad:<y/n> dtmf:<y/n> seq:<y/n> <codec> (payload size) Tele <int> (callID) [channel_id] tx:<tot>/<v>/<fax>ms <codec> noise:<l> acom:<l > i/o:<l>/<l> dBm MODEMRELAY info:<rcvd>/<sent>/<resent> xid:<rcvd>/<sent> total:<rcvd>/<sent>/< drops> speeds(bps): local <rx>/<tx> remote <rx>/<tx> Proxy <ip>:<audio udp>,<video udp>,<tcp0>,<tcp1>,<tcp2>,<tcp3> endpt: <type>/<m anf> bw: <req>/<act> codec: <audio>/<video> tx: <audio pkts>/<audio bytes>,<video pkts>/<video bytes>,<t120 pkts>/<t120 by tes> rx: <audio pkts>/<audio bytes>,<video pkts>/<video bytes>,<t120 pkts>/<t120 byt es> Telephony call-legs: 1 SIP call-legs: 0 H323 call-legs: 0 Call agent controlled call-legs: 1 SCCP call-legs: 0 Multicast call-legs: 0 Total call-legs: 2 11E9 : 35 3608470ms.1 +0 pid:0 Originate connecting dur 00:00:13 tx:559/122674 rx:560/88664 IP 129.157.57.253:18318 SRTP: off rtt:4ms pl:2800/0ms lost:0/0/0 delay:65/65/65 ms g711alaw TextRelay: off media inactive detected:n media contrl rcvd:n/a timestamp:n/a long duration call detected:n long duration call duration:n/a timestamp:n/a MODEMPASS nse buf:0/0 loss 0% 0/0 last 2800s dur:0/0s 11E9 : 34 3608470ms.2 +2790 pid:0 Originate active dur 00:00:11 tx:561/93312 rx:569/124359 Tele 2/12 (34) [2/12] tx:8050/8050/0ms g711alaw noise:-30 acom:6 i/0:-15/-65 d Bm Telephony call-legs: 1 SIP call-legs: 0 H323 call-legs: 0 Call agent controlled call-legs: 1 SCCP call-legs: 0 Multicast call-legs: 0 Total call-legs: 2 Any assistance would be much appreciated. Regards Greg
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-01-2009
10:27 AM
12-01-2009
10:27 AM
Hi Thanks for the reply, using MGCP on both V224 and PSTN Gateways. Cheers Greg
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Created by
Greg Cording
in IP Telephony and Phones
in IP Telephony and Phones
12-01-2009
09:05 AM
12-01-2009
09:05 AM
Hi All As part of a large migration from TDM to IPT we have installed 3 x V224 Analogue Gateways for use with Modems on Laptops etc. to dial up to customer equipment via the PSTN (TDM). The engineers who are initiating the modem connections are complaining that the negotiated speed is very low and is often dropping the connection or hanging the session. I have checked both the V224 and VWIC gateways and bot are set to enable Modem Passthrough, not too sure what else I should be checking. Any assistance on what to check would be much appreciated. Thanks Greg
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01-05-2005
08:29 AM
Not sure if this will help, but on the definity PBX we needed to make our own E1 cross over cables using RJ48C (not sure of the difference with RJ45 which we used) See the following link for an image http://www.chebucto.ns.ca/Chebucto/Technical/Manuals/Max/max6000/gs/cablesa.gif hope it helps Greg
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10-13-2015
Might be worth checking if VAD is in use during a call, VAD generates
background noise (comfort-nois...
09-25-2015
not familiar with Expressway so might be off the mark here but if you
are looking to upload a Certif...
09-25-2015
Also if you are deploying 802.1X you might find this community document
of great
interest.https://su...
01-12-2010
Hi All We are migrating our 7975 phones from being powered by individual
Cisco PSU blocks to PoE fro...
Created by
Greg Cording
in IP Telephony and Phones
12-13-2009
12-13-2009
We have resolved this issue..We found the VG 224 on IOS Version
12.4(24)T2 and having the entry "mgc...
Created by
Greg Cording
in IP Telephony and Phones
12-10-2009
12-10-2009
About the 5th attempt to add the screen shot, keep getting unexpected
error.. grrrr. Didnt really ex...
Created by
Greg Cording
in IP Telephony and Phones
12-10-2009
12-10-2009
Hi Get the tech to check Page 2 of the trunk form and confirm: The
Numbering Format is set to public...
Created by
Greg Cording
in IP Telephony and Phones
12-10-2009
12-10-2009
Hi Get the tech to check Page 2 of the trunk form and confirm: The
Numbering Format is set to public...
Created by
Greg Cording
in IP Telephony and Phones
12-10-2009
12-10-2009
Hi Again Following on from the thought that the 3845 is miss
categorizing the Modem V.92 Call as a F...
12-10-2009
Hi All We migrated from Avaya G3r to CUCM 7.X in our new office and
currently have two issues relate...
Created by
Greg Cording
in IP Telephony and Phones
12-01-2009
12-01-2009
Hi Thanks for the reply, using MGCP on both V224 and PSTN Gateways.
Cheers Greg
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| Date Registered | 09-15-2003 09:07 AM |
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