IP Telephony and Phones

I have Avaya 1140e phones with my Cisco 9k series switch, configured with voice and data vlan. NO ISSUESswitchport access vlan Xswitchport mode accessswitchport nonegotiateswitchport voice vlan XXdevice-tracking attach-policy IPDT_POLICYaccess-sessio...

I have set up multi-tenant in my Cisco CUBE. I needed to direct sip sessions on different interfaces. My question is, can I establish an ip address trusted list for each tenant or does it always reference the global voice service voip configuration? ...

I have a number that's receiving calls forwarded to it that it should not receive. Is there any way to see what number is forwarding calls to another number? To be clear, I don't have the number that is forwarding the calls, just the receiving number...

Hello everyone,We recently installed a DECT network for our company.Despite setting the volume to maximum and using the "loud ring" melody on my DECT 6825, they still sound very quiet (see attached file).Does anyone have a solution, please?Thanks in ...

Hi Im being asked to defy reality in order to fix a problem for a resort that I work at. We have analog phones in our hotel rooms in which we have two hotel room sections. All hotel phones are analog to vg's that are connected to our cucm v14.11. has...

We successfully migrated 8841 phone firmware from Enterprise to Multi Platform.  Now we want to register this phone with the Avaya IP Office. We have done this with other brands of phones just by giving SIP server IP, extension and password. Seems li...

I have a customer who has a UC license for a their ISR4431 router and are using it for T1/PRI.They want to switch to SIP and use the routers for the SBC CUBE function.It appears the CUBE feature cannot be added due to EOS of the licensing for the ISR...

Dear Cisco community, We are migrating the server to mixed mode and have created the secure phone profile to register the phone. However, the phone is not getting registered, and CM logs are showing as below; all the self-signed certificates are vali...

Hi All, I need to replicate In band Engaged tone is a lab environment. My current set up is; CME <Q931 Trunk> IOS VGW <H323 Trunk> CUCM. What commands would I need to configure on the Gateway so it responds with in band engaged tone when dialling fro...

Cisco 8841. All calls go directly to voicemail, even though Do Not Disturb is off.

Hello over there How can I obtain device information for a non-Cisco IP phone registered in CUCM as a Third-party SIP Device (Basic)?Knowing that the registered IP address is not a hyperlink.

Hi everyone,I’ve bought two Cisco CP-8845 phones and configured them with my 3CX PBX. If I make a video call from one Cisco to the other, it works fine both ways. The problem is with a video intercom.When I press the button on the intercom, the call ...

I have a ISR 4321 with iOS XE v16.   This system has a NIM 4BRI NT/TE card with firmware v04.Port 0 and 1 of the card is not functional due to lightning I suppose.   I have replaced the card with a 2BRI NT/TE with firmware v03.I have done a hard rese...