IP Telephony and Phones

Have AS5400XM replacing AS5300, will be used for asynch ports (modem).Basically user will telnet/ssh into AS5400XM and dial out to remote modems using AS5400XM modem functionality (asynch lines).Box has Dial feature card (AS54-DFC-2CT1) and HD PV fea...

Currently working to setup MVA for multiple sites. The main / core site is up and running. Can call the MVA DN (6980) from an external phone and reach the IVR. I cannot reach the MVA DN from an Internal Phone (by DN only) or from another remote H323 ...

He de realizar un sip trunking entre el equipo que seguidamente listo y Asterisk y me gustaria saber si para realizarlo tengo suficiente con este equipo o se ha de adquirir algun modulo/licencia para realizarlo.Por otra parte tambien me gustaria sabe...

HI ,I am going to upgrade CUCM IOS ver from 7.0.2.20000-5 up to 7.1.5b(Su5) . but at customer end two CUCM is configured in Cluster .about this activity i have some queries as follows .1) I am don't know the IOS up gradation procedure . kindly share ...

Is it possible to tell Call Manager Express (CUCME 8.6) to set the same phone type 7911G -- to make one ephone SCCP for internal lines and SIP for external lines? I can imagine the following issues:The config file for the sip phone is going to locate...

Hello FriendsI need to enable SSH for the ATA 187, i have cucm 8.5.1 and the Ata the firmware 187.9-2.3.1, I created one user and Password in the Common Phone Profile and I cant enable the SSH.Can You help, please Thanks.

                   CAn someone explain to me when I need dsp if I am running cube and the relationship to transcoding?  I have seen examples that show a telephony-service defintion in the cube  router to define local transcoding resources but if that...

During a UCM failover, you sometimes will see the "UCM Down" message while on a call or while an idle phone reregisters to another sub.  Can this message be changed?Thanks

I have a situation where I am using the CM 8.6 SIP profile 'Early Offer support for voice and video calls (insert MTP if needed)' on a SIP trunk connection to the PSTN.One of our locations is in a CM region that is G729 to the CUBE region. Therefore ...