no audio during meet-me on same cme

livi9003 · ‎05-18-2020

Hi everyone.

I have a small lab with 1 router, switch, and two phones:

Router IOS version: Cisco IOS XE Software, Version 16.06.05

CME version: Router#sh telephony-service
CONFIG (Version=12.0)

The phones are 7945s, and both are registered and can call each other just fine, no issue good audio.

ephone 1
device-security-mode none
mac-address 0023.339C.67FA
ephone-template 1
type 7945
button 1:1
!
ephone 2
device-security-mode none
mac-address 0023.339D.679C
type 7945
button 1:2

I can start the meet-me from ephone 1, and ephone 2 can dial in, both phone show the conference is connected, but there is no audio.

voice class custom-cptone leavetone
dualtone conference
frequency 400 800
cadence 400 50 200 50 200 50
!
voice class custom-cptone jointone
dualtone conference
frequency 600 900
cadence 300 150 300 100 300 50

!

voice-card 0/4
dsp services dspfarm
no watchdog

!

interface GigabitEthernet0/0/0
ip address 192.168.1.254 255.255.255.0

!

sccp local GigabitEthernet0/0/0
sccp ccm 192.168.1.254 identifier 100 version 7.0
sccp
!
sccp ccm group 1
bind interface GigabitEthernet0/0/0
associate ccm 100 priority 1
associate profile 1 register confprof1

!

telephony-service
sdspfarm units 4
sdspfarm tag 1 confdsp1
conference hardware
max-ephones 40
max-dn 20
ip source-address 192.168.1.254 port 2000
auto assign 1 to 10
system message XXXXXXXXXXXXXXXXX
time-zone 2
time-format 24
date-format yy-mm-dd
max-conferences 5 gain 6
dn-webedit
time-webedit
transfer-system full-consult
transfer-pattern ....
fac standard
create cnf-files version-stamp Jan 01 2002 00:00:00
!
!
dspfarm profile 1 conference
codec g729br8
codec g729r8
codec g729abr8
codec g729ar8
codec g711alaw
codec g711ulaw
maximum sessions 4
conference-join custom-cptone jointone
conference-leave custom-cptone leavetone
associate application SCCP
!
ephone-template 1
softkeys seized Meetme Redial Pickup Endcall

!

ephone-dn 1
number 1000
label Chris
name Chris
!
ephone-dn 2
number 2000
name Kecin
!
!
ephone-dn 18 octo-line
number 7777
description MeetMe ext
conference meetme
preference 1
no huntstop
!
ephone-dn 19 octo-line
number 7777
description MeetMe ext
conference meetme
preference 2
no huntstop

Thank help,

Thank you

Wilson Samuel · ‎05-18-2020

Hi,
Can you please check the Call Statistics when they are on a call as well, please once the calls are in a conference, please share the sh sccp output.
Regards

livi9003 · ‎05-18-2020

Here is the Router#sh sccp
SCCP Admin State: UP
Gateway Local Interface: GigabitEthernet0/0/0
IPv4 Address: 192.168.1.254
Port Number: 2000
IP Precedence: 5
User Masked Codec list: None
Call Manager: 192.168.1.254, Port Number: 2000
Priority: N/A, Version: 7.0, Identifier: 100
Trustpoint: N/A

Conferencing Oper State: ACTIVE - Cause Code: NONE
Active Call Manager: 192.168.1.254, Port Number: 2000
TCP Link Status: CONNECTED, Profile Identifier: 1
Reported Max Streams: 32, Reported Max OOS Streams: 0
Supported Codec: g711ulaw, Maximum Packetization Period: 30
Supported Codec: g711alaw, Maximum Packetization Period: 30
Supported Codec: g729ar8, Maximum Packetization Period: 60
Supported Codec: g729abr8, Maximum Packetization Period: 60
Supported Codec: g729r8, Maximum Packetization Period: 60
Supported Codec: g729br8, Maximum Packetization Period: 60
Supported Codec: rfc2833 dtmf, Maximum Packetization Period: 30
Supported Codec: rfc2833 pass-thru, Maximum Packetization Period: 30
Supported Codec: inband-dtmf to rfc2833 conversion, Maximum Packetization Period: 30
TLS : ENABLED

not sure how to sh Call Statistics

Thank you

Wilson Samuel · ‎05-18-2020

> Sorry for not being clear, for the call statistics, you can check on the phone > settings. Basically, I want to see if there is any routing or ip addressing issues, you would see only outgoing packet counts going up and no incoming packets along with type of codecs being used.

Also, the helpful would be use the following commands:
1. "dspfarm dsp active" which would show the active dsps (conference etc) eg as shown below, where no dsp chips are being used

CUBE-01#sh dspfarm dsp active
SLOT DSP VERSION STATUS CHNL USE TYPE RSC_ID BRIDGE_ID PKTS_TXED PKTS_RX ED

2. show call active voice compact , which show the calls that are currently active and their end points.

Regards
Wilson Samuel

Total number of DSPFARM DSP channel(s) 0

livi9003 · ‎05-18-2020

OK I checked the call statistics on the phone, while they are in the conference there are no recv. but lots of sent. I don't think it it router because both phones are on the same CME, and can call each other.

Router#sh dspfarm dsp active
SLOT DSP VERSION STATUS CHNL USE TYPE RSC_ID BRIDGE_ID PKTS_TXED PKTS_RXED

0/4 1 46.2.8 UP 1 USED conf 1 67 108923 108928
0/4 1 46.2.8 UP 1 USED conf 1 69 108723 108729

Total number of DSPFARM DSP channel(s) 1

and

Router#show call active voice compact
<callID> A/O FAX T<sec> Codec type Peer Address IP R<ip>:<udp> VRF
Total call-legs: 6
198 ANS T2209 g711ulaw TELE P1000
199 ORG T2209 g711ulaw TELE P7777
200 ANS T2205 g711ulaw TELE P2000
203 ORG T2209 g711ulaw VOIP P 192.168.1.254:8186
205 ORG T2205 g711ulaw TELE P7777
208 ORG T2205 g711ulaw VOIP P 192.168.1.254:8192

Both look OK to me, but what do I know :)