IP Telephony and Phones

Hi Folks,I am having issues with a ISDN e1 provider regarding caller ID on call forwarded calls. Caller ID on a call forward call only shows as the default CLI for the ISDN line...However, users in the office assure me that it is possible previously ...

Hi all,I am trying to connect a CUCM 8.0 with a 3rd Party SIP Trunk. The  thing is when I start the call from a device on the other side of the SIP trunk the RTP is correct both ways. The issue is when I start the call from a Cisco SCCP phone behind ...

For some reason our bulk speed dial list on a CME 7.1 unit no longer works unless you lift the handset first.We used to be able to dial #9020 and then the "dial" softkey but now we cant the phone gives the error tone and we see nothing in debug isdn ...

I've got a digital phone system but it goes VoIP across our P2P T1's. I am having quality issues between our 2 sites only and have decided to setup QoS on the Cisco 1841 P2P routers. Since it is only 1 phone server on each side that does the voice tr...

CUCM |IP Phone| Call forwarding to PSTN |mobile number| showing "High Traffic Try Again Later"!

I have two gateways that feed a PBX, all in and outbound traffic from the PBX is feed thru these. I am running MGCP on the gateways. If one of the gateways losses connection to the CUCM cluster, it drops the D channel for a few seconds and comes back...

I have a simple environment but a fairly complex requirement, and am seeking some advice from the assembled body of experts  Currently the environment consists of: In service Publisher & Subscriber on HP DL380 G5’sRunning CUCM V6.1(5)The intention is...

Hi all,How can a shared line between SIP phones like snome/cisco spa5xx be configured on a cme 8.8?Thanks,NorbertSent from Cisco Technical Support iPhone App

Hi            There,I had problem to send fax to a particular number via our H323 gateway. The call was dropped after 15 seconds, when I call the number from normal IP phone, it took 20 seconds to hear the fax tones. Since we can not change the fax m...

Hello All I have a uc540, that users can, make outgoing calls to gsm, but cant get a return voiceHere is the log i have gathered by doing show log 000280:  Jul 30 16:44:40.729:  //101/E9A6F0698127/SIP/Info/sipSPICheckResponseExt: INVITE response with...

does CUBE enterprise edition support Late-to-Early Media Interworking or rel100 interworking ?thanks

Hi All,We planned to upgrade CUCM cluster to 8.6 from 7.1.5.We have 10 servers in the cluster.My current publisher & some of the subscriber will not compatible with  CUCM 8.6.So we have to follow bridge upgrade.When i upgrade my publisher to 8.x vers...