IP Telephony and Phones

Friends, I'm having a issue getting a phone to load the SCCP firmware.  I have one phone that loads the firmware and registers/calls out/in just fine but a second phone will not change from MGCP to SCCP.  For reference I'm running a 2651XM with CME (...

We got a problem with sporadic "one way audio" one mgcp connections to PSTN.Call flow:PSTN-->2811-->mgcp-->cucm-->CP7942-->CFWDall-->CP7942orPSTN-->2811-->mgcp-->cucm-->CP7942-->Pickup-->CP7942orPSTN-->2811-->mgcp-->cucm-->Huntpilot-->CP7942If we got...

Hello All, I have one Publisher with two subscriber CUCM and two Unity connection. I have purchaed toll free and mapped with CTI route point and transfered call to UC to give option to route the call, then i create a hunt group and add three ext on t...

Hello,We are looking for a way to setup an "silent" emergency notification in attendant console or on the attendants phone if an extension is having an emergency but cannot talk.  The way I envision it working is the person in trouble would hit an ex...

CUCM is working fine with TLS/SRTP between phones, just looking to secure the SIP trunks to CUC, and to CUBE. From CUBE to the provider will have to just be plaintext, since the ITSP doesn't support TLS.  I assume the above is possible? I did give th...

Hii, I have cucm 10.5 with 2x 2921 Voice Gateway  and 12 E 1 lines. When on my extension (2312) I activate the forward  to 00742334772 and when somebody from out said Continental tray to call me on the internal extension (2312) the forward sent only ...

Analog phone->PABX1->VG1->WAN->VG2-CUCM2->Cisco 7821 phone ->transfer to another Cisco phone in same CUCM.PABX1 - 3rd party telephony system in Site 1 (Aastra, ex-Ericsson MD110)VG1 - old Cisco voice gateway router running as H323 gateway in Site 1(E...

Hi,My current OS version of the CUCM is Red Hat Enterprise Linux 5 and CUCM version 9.1.x. Can I know got any way for me to upgrade the Linux OS to Linux 6 without upgrade the CUCM ? Thank you. John

For a testing purpose created a UCCX(8.5.1.10000-37) & CUCM (System version: 8.6.1.20000-1) where created a Trigger (ie No. 5000) now all configuration part done when i dialled 5000 ..its select the JTPI ports but no ivr is playing there is only sile...

We are in the process of installing IP phones on our network.  We don't have any plans for QOS other than to just prefer the voice traffic.  The packets will be tagged by the endpoint with the TOS and DSCP tags.  We will then trust the QOS tags as th...

Hello All, I have one Publisher with two subscriber CUCM and two Unity connection. I have purchaed toll free and mapped with CTI route point and transfered call to UC to give option to route the call, then i create a hunt group and add three ext on t...

Dear all, We have had a pretty bad issue with our UCCX 10.5, for a reason unknown the CTI Points that link our UCCX with CUCM were all unregistered in CUCM (10.5).I tracked down the issue that it could have had something to do with IPv6 and fixing th...

Hi All, Lately, I have been trying to implement a network with +E164 format.I found out that Cisco Australia Dialplan doesn't understand  \+61.@I can see in RTMT the number has been converted to +61477386XXX the CUCM doesn't know how to route it. Sin...

All,Can someone please explain the meaning of these values in bold within a VoIP dial-peer:Successful Calls = 1156, Failed Calls = 14244, Incomplete Calls = 3I am slightly worried that I have 14244 calls showing as failed.*This is a Cisco UBE on the ...