IP Telephony and Phones

I am adding a new cluster in India and extending it to a US based cluster via SIP ICT.  According to https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/214291-implement-geolocation-across-cucm...

Hi all,Now, We are using Cisco UCM version 8.5.1.10000-26 ( one Publisher and one Subscriber). If IP Phones (SCCP) register with the Subscriber, registrations are failed with "Rejected" status ( in CUCM admin webpage). I collected trace files and saw...

Is it possible for me to use my desktop Webex teams call feature and connect it to an iPhone (like you can a desk phone) and then use the app to dial out? 

Hi,I have just setup a new SIP trunk with a local provider and we need to have the caller name added to the SIP packets.  Here is our sip profile.voice class sip-profiles 1request INVITE sip-header To modify "@.*>" "@siptrunking.bell.ca>"request INVI...

Does anyone in this community have access to the pinout for the AUX port of the Cisco IP Phone 8865?

Greetings Community! I am having an issue with one-way audio from our remote office Phone to our HQ, so the problem is that on calls (inbound, outbound) we get no audio from the Phone that resides on one of our remote offices (meanwhile other offices...

HI,I'm currently having 2 issues with an E1 at let say site A. The first problem is any B end site that is connected to this A end site experiences a ringing on the associated lines. For example. A end has 4 circuits going to site B, at site B all 4 ...

Hi Team, I am having issues with several phones (CP-8821) that seem to reject or ignore their individual .cfg.xml files. I have duplicated a file from a working phone and replaced the MAC address with that of a phone that is having issues but still r...

We have a Cisco IP Based Telephone system and are trying to interface the 8865 desk set to a radio dispatch console and in order to use the headset for both the telephone and the radio console, we need to get an off-hook indication from the phone to ...

Hi Community,could you assist me please regarding the issue with call forward timer on the deskphone? If I press a call forward button on the phone during the call, new popup window will be shown where I have to press new number for call forwarding. ...

I have 2 CUCM clusters. one with 9.x and the other with 12.5. This is a slow migration scenario where customer wants to slowly move users from one cluster to the other while keeping the services running such as IVR, Hunt groups etc.We have SIP trunk ...

We have a handful of 8800 series phones. We dial an "8" to get an outside line. Our route patterns discard the "pre dot" before sending the call out to the PSTN. This work flawlessly on 7900 series phones. Our local area code is 520. On the 8800 seri...