I've found an answer for that on this forum!I had to set "Maximun Number of Calls" on the device in CCM to 2 calls.It worked this way:- receive a call on VG extention;- press flash, get a new line;- call second extention;- hook the fone;The call is t...

Hi Jason. That's my case too...I've tried many timing configurations and replaced the analog phone. Still looking for an answer.