IP Telephony and Phones

We currently have our CUCM configured to route 911 calls through Cisco 2901 voice gateways so that if a user in building A calls 911 the call is routed to the gateway in building A and out the POTS line for building A and if a user in building B call...

Good day experts. Its my hope that this time around i get some solutions. I have a site where the ITSP has given me one IP address and for the site to work i have had to use NAT.My Scenario is Note I use Cell Phone as anyone calling from External. Ce...

Hi to all , I have some phone traveling to my office , i have the serial numbers only . There-s exist a way to bind both and obtain mac address ?Thanks a lot !!

I recently found a functioning ESW520 switch powering a few VOIP phones for a small site and wish to replace it but I am out of my league with this one.  Does anyone have any recommendation on what to use to replace it with?  I have a few layer2/3 sw...

I just got a 8832 phone with a USB power cable adapter in the mail today. The phone didn't come with an Ethernet to USB-C adapter. I'm trying to set up the Wi-Fi client setup. I have wireless set to on. When I click on Network Name it brings me to th...

when webex calls a 8865 ip phone using the video address as the email address of the enduser, it rings on her phone, but each time when she tries to answer, the phone gets unregistered,  this does not happen on other calls, will be thankful for advis...

Hi Guys,   My Customer that any IP Phone 8851 that is resenting sponteanously (default version 11-7-1-17). I verify in the logs and appear the message VPT not configured     Status Message    [17:08:29 15-01-18] SEP706xxxxxxxxx.cnf.xml.sgn(HTTP)  [17...

Hi everyone, hope all is well.I have a Cisco 4351 with two NIM-4FXO modules connected pots lines to PSTN. I am experiencing one-way audio on PSTN calls where the called party can hear me but I can't hear the called party on my IP phone. The issue sta...

Hello,  CUCM 11.5 integrated to Verint (JTAPI+SIP), currently testing moving to +E.164 dial-plan, Verint is saying they do not support the "+" as part of the DN when defining it inside Verint as an extension to be recorded, any thoughts around that? ...

hello, We purchased cisco wireless headset 561, but we don't get incoming ring on wireless headset. Looked in forum, there were couple of posts which says its bug which is supposedly not fixed yet. we can hear caller when we connect but need incoming...

Hello I have a new SIP service with Vodafone in Italy and am struggling to configure my CUBE correctly. Does anyone have a working configuration I can use as a template please? I have attached the Vodafone doc for reference. Thanks Mark