IP Telephony and Phones

I try add the 8841 SIP phone to the CME with fast-track mode. But the phone still prompted "unprovisioned"Anything i am missing? Since i can't found any reference about the 8841 fast-track configuration. There is the CME configuration. IOS version 15...

I am currently using CIPC 8.6.6 and Jabber 12.6.1.34405 under Windows 10 64bit.  Home internet is through Cox and connecting via Cisco VPN for phone services.  Download speeds are 90-100MB/s, Upload speeds 10MBs, Latency 9ms. More frequently whenever...

Hi All,I'm looking for the instruction to generate UCM related SSL certificates from Microsoft CA (Server 2019) and with the capability to export the private key? Thanks!hang  

 Hi All, Kindly suggest the compatible model of wireless & wired headsets with Cisco 8821 phones. ThanksAjit Ahlawat

Hi all, maybe it's just "works as designed" but I find this a bit odd: This situation is this:- customer uses extension mobilty.- User DN is 858 (configured on Device Profile) and Phone DN is 3277 (when logged out).- DN 858 forwards calls to *858, a ...

Having problems with ATA 190 SC becoming unresponsive.  This is happening on the Webex calling devices at multiple sites whether connect to a fax, analog phone or phone interface of paging system.  Any ideas?  Cycling the power restores them.  They s...

Has anyone deployed their subscriber public facing in a similar way to say broadsoft with Internet soft phones? We are looking at alternatives to expressway with jabber and 88xx vpn connection and looking at maybe soft phone We have a restriction on ...

I am deploying a new site that will have 4 PRI's these PRI's will be spread across 2 gateways and these gateways will be used for nothing else.  They will not have any SRST as there is a local subscriber at the site.  Is there any reason to buy more ...