IP Telephony and Phones

hi,We have a CUCM 12.5 system which is integrated with Motorola TETRA Dimetra express system, calls are established between the tetra radios and the IP telephones and vice versa, but there is no voice in both sides, Can anyone help ?

Hello, We are using the Microsoft Teams calling service with our Cisco 8861 phones. We do not have CUCM, we are configuring the phones individually via the phone IP in a web browser.The problem is, the "ReSync on Reset" option keeps turning back on, ...

We have configured the User mail box with Alternate numbers. MWI is working for the hard phone but with jabber it is not showing. Is there any particular configuration for Voice mail with Alternate numbers in case of jabber. CUCM version: 14.0 Jabber...

Hi, I cretaed a new user with extension 6809 in my call manager. I enabled call recording for the user in WFO-QM. And i checked all the  settings are ok. But when i make test call and check the recording but its not saved and i found error when i che...

We currently have all of our remote voice gateways setup for the sole purposes of SRST--- in the event of a WAN outage all the phone can make limited calls in/out of the gateway utilizing POTS lines (which are terminated to FXO cards).  This setup wo...

Hi There, Looking for some advice/help. Our service are in the process of gradually moving to IP telephony. Some of the sites have the requirement to be able to use there current analogue phones.  I am trying to set-up a CIsco ATA 191 but not sure wh...

Whats the best way to set up during business hours a number to go to voicemail if not answered. After business hours it goes to a greeting saying we are closed and then it just hanges up with no ability to leave a VM. We use CUCM  12.5.1.18100-14, an...

I am running CME V12.0 and I have some SIP 7821 phones that obtain an IP and I can access them via the web browser and CDP shows their IP. But when I run voice register pool all brief it shows that they do not have an IP address and the status is unr...

call going straight to voicemail in cisco 6945 ip phone. how to troubleshoot the issue? please help.

Greetings to all, Kindly advise if we can configure a new Voip branch CME router (with 30 ip phones registered using cme license on router as cme for internal calling) for inward & outward DID through another CISCO VOIP GATEWAY at HQ as the end user ...

I added mobile phone number to forward my all calls. But when I am trying from another mobile its not forwarding

My question is similar to https://community.cisco.com/t5/ip-telephony-and-phones/call-forward-to-multiple-external-numbers/td-p/3038017. However, my organization doesn't use SNR. So do you know another option for this that works on internal and exter...

I am new to voip and am struggling.I am trying to downgrade the firmware on my iphone from 12.5 to 11.0 because it is not compatible with my routers. Before I continue keep in mind I will not be connecting to the internet at any point in time during ...