Dear every oneI have a issue when i use mode preview outbound call, i set callback when the customer want callback. But the call not callback on the true time i set before. and have a issue , the time on screen set call back not true, one hour behind...

Hi every bodyI am testing 8845 IP phone, this phone is Cisco IP Phone for 3rd. i config and it can register to 3CX but i cant video call with extension another. Can u help me fix this issue ?Thanks

Hi allI am using UCCX and i have a problem when connect trunk to Telco. They use codec g711ulaw and g711alaw together. When call in, they send g711alaw codec and i have a problem with voice oneway. When i  enable MTP on configuration trunk on CUCM. V...

Hi every onei have a new requiment from agent. I hope people can help me :)  I have two CUBE connection together by sip trunk and 2 analog phone connect to them by FXS port. They want when agent1 pick up phone1 will auto dial to phone2 what connected...

Hi every one. Please help me. I cant connect to sip provider use sip domain. This is my log collect from VG. This is topo network : SIP-Trunk====FW==CUBE--------CUCM----IP Phone A 1. Call from IP phone to SIP trunk not ok 2. Call from SIP trunk to IP...