IP Telephony and Phones

Hi all, I've got a total N00b question, and inherited this setup...  I am very new to telephony so limited experience on this front. I have a Cisco 2921 with a NAME: "VWIC3-2MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1 on Slot 0 SubSlot 1", DESC...

How do I prevent call manager (8.6) to log me out every 5 minutes?Is there way to change the default session time length?Thanks!

With PCD  discover CUCM and unity, customer needs to migrate CUCM alone, please let me know how to delete unity connection form the discovery.

Hi Friends, I understand the diff b/w restricted and unrestricted versions. List of countries where each of them applies is little confusing for me as per below link. http://www.cisco.com/c/en/us/about/legal/global-export-trade/general-export/contr...

Hello, "Can one you help me in the scenario given below: A customer is using MCS 7835 I3 Server on CUCM 8.6 with meeting place, including 7900 Series phone i.e. approaching end of sale/end of life with DLU's. Now they want to upgrade it to the lates...

Dear All, I would like to upgrade IOS on all my voice gateways due to EOL/EOS, please find the hardware and current IOS details and suggest with recommended/latest version. Router Model Current IOS Version DRAM Flash Cisco 3845 (C3845-IPVOICEK9...

Hello All :) I have a question about processing possibilities when calling external number which is linked to our Call Manager. My idea would be to add another number after last digit with some separator that would not trigger busy tone or “dialing n...

Dear All, I would like to upgrade IOS on all my voice gateways due to EOL/EOS, please find the hardware and current IOS details and suggest with recommended/latest version. Router Model Current IOS Version DRAM Flash Cisco 3845 (C3845-IPVOICEK9...

Hi we are having issues with polycom phones with dhcp issues (running on server / switch) on the 6800IA (connected to parent 6880 switches) - I cant see them on cdp (Sometimes) these phones are managed externally by a third party company. the phones...

I have a SIP trunk setup and it is communicating with another SIP trunk and I believe there is a setup issue because video is not passing through them and audio is only one way. I need to collect the packets to see the details of the setup. I need...

Hi, since our provider can no longer provide us 6921 phone he offered us 7821 phones. but as I read they are not supported by ccm 7.1.5. So is there any workaround? Best regards,  Ivan

Dear all, I am struggling to register Avaya ip phones to cisco cucm 8.5 Cucm version:8.5Avaya ip phone model: 9670 I entered all the details static ip, callser, file serv, router and vlan on avaya ip phone manually of cisco call manager now screen s...

Hi Cisco Techs, Cisco Voice network module NM-2V uses  various IOS's including 12.3(2) T for a 2691 router (see chart below) from link.... http://www.cisco.com/c/en/us/support/docs/interfaces-modules/nm-2v-two-voice-fax-interface-card-slot-network-mo...