I have installed firmware version 12.1.1 on a 8851 and enabled the accessibility feature "Voice Feedback" but I am unsuccessful with getting it to  read out the incoming Caller ID?   upgraded from version 10.3.1   Thoughts?

I am looking for some help in how to troubleshoot the aborted or rejected calls I am getting. CCX: 10.6 CUCM: 10.5 The majority are reporting as: Rejected: Remote Timeout Thanks Sam

I am trying to access device or directory number description from Call Manager in a script in Contact Center Express to display this information on ipphone agent.  I can put data into expanded call variable using set enterprise call info to display i...

I am having trouble with an elevator phone on a SCCP VG350 configured to be an automatic ringdown but sometime on disconnect of the called party the line rings the called party back.