Hi experts, I am bit new to IP telephony world; we have one HKG remote location where the site has ccm 6.0. When we call from US location to HKG site the phone rings and call get disconnected as soon as it is picked up. As per basics it looks codec m...

Recently I have added 7914 expansion module for one user. As per the request I defined the some extensions and BLF-SD button on module. Issue is the BLF - busy lamp is not working, only speed dial is working .Has anyone ever experienced this issue be...

one of our 7971 phones touch screen has stoped working,i did restart but the issue is same.Phone is working fine apart from touch screen issue. Any idea ?

Hi experts,We have a Qsig trunk between Avaya to Cisco callmanager.when one of my user foward his calls from Avaya extension to call manager extension, the forwarded call dose not go to user's voice mail. It gives welcome to Cisco unity announcement....