If you are monitoring all call and terminal events for all phones via JTAPI, does it burden your CUCM since it has to respond to your app about these events -- specially when you have more than a thousand phone. Are there some guidelines about JTAPI ...

Do we need to open specific port to allow JTAPI client outside of corporate firewall to communicate with CUCM?

Does any one know if you can broadcast and receive audio on 7921/20 wireless IP phones? I am reading through Cisco IP Phone App Dev Notes, but it doesn't list 7921 on release 5.x notes. And the new App Dev Notes for 6.x does not have a table that sho...

We found inconsistent Idle URL behavior with Cisco IP phones. I am not sure if this is the firmware issue or a CCM version issue.If you are using Idle URL and a call comes in, phone screen clears out in some cases but not in other cases.I have seen 7...

I heard that instead of manually associating each device with CTI user, you can check "Enable CTI Super Provider" option and that gives this CTI user access to all devices. However, when I tested it out, this does not turn out to be the case in CCM 4...