IP Telephony and Phones

Hi Guys,I have a problem with some calls. When we try to call (PSTN to IPTel) the calls are direclty disconnect (not all some works, and some don't work)In the SDI traces I have the following:|3,100,152,1.894691^10.187.38.8^*17:26:37.065 |<MN::MGCPEn...

I would like to use the Cisco ATA 186 as a SIP device with Cisco  Call Manager 7. However, I have found that the SIP firmware for the  Cisco ATA 186 is unsupported by Call Manager 7. Therefore, In order to use the ATA as a SIP device with the Call Ma...

Hi,I have a customer who is deploying Cisco UC at one of their sites (they already have it at several others) and they like the look of the new 8945 phones.The main problem is that these are not listed as supported by UCCX 8.5(1) which they will also...

                   Hello guys!     I am trying to implement the hunstop command on dial-peers in order to force dial-peers to stop default hunting even if the voice port interface is down, but the hunting continues. For example, for the following two...

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