IP Telephony and Phones

I recently had a VIP user at my company complain that when he picks up an incoming call on his desk phone, the other party doesn't initially hear him and and initial "hello." After a ton of time trying to narrow down the issue to some signaling delay...

Hello, I am having trouble figuring out why my outbound calling is not working in SRST. During normal operation calls are sent to the GW with 11 digits so I setup the SRST dial-peer to forward 11 digits on LD calls to the carrier. I have tried forwar...

Hello,    Anybody knows if this voice gateway supports 802.1x, in particular EAP-TLS?   Regards.

I need some help to convert a 7960G Phone with SIP back to SCCP. Any help would be greatly appreciated.   Thanks!

A 7962 goes into DND mode periodically.  This phone doesn't have any DND option in the softkey or phone templates.  So, they can not be turning it on from the phone, even by accident.  I have to go in and uncheck the Do Not Disturb box on the phone a...

Hello community, We are facing an issue with DTMF relay. Sometimes, digits are duplicated   Topology: DECT ANALOG -----qgig----2921----mgcp----CUCM   GW is mgcp and DTMF is configured for OOB We checked the traces and found the following:   Apr 10 20...

Hi ,   Good Day .   I am working on a issue on the call forwarding on the skype for business 2015 . My customer has integration of CUCM and SfB with SIP trunk . Inbound and Outbound Call from SfB user are fine and they are able to set the call forwar...

I have a customer who is a small school county school system.  They have one school out of 8 which is have audio quality issues only with the voip paging through the Cisco IP phones at one location.   The audio during the page is slightly garbled, ju...

Short version: Can I use a Raspberry Pi to somehow send a signal to UCS to start a phone call?   Long version: I'm looking for a way to have a Raspberry Pi run a validation check on a server and kick off phone calls to some of our employees if the ch...

I'm trying to understand why I find these IPv4 to IPv6 mapped addresses on my Publisher when I run a show network status command (this us a truncated list)   tcp 0 0 ::ffff:10.1.200.31:59378 ::ffff:10.1.200.31:1510 TIME_WAIT - tcp 0 0 ::ffff:10.1.200...