I have a problem in both models 715 and 710 in a link if a person talks while the other voice just cuts. In short I can not talk simultaneously if one speaks the other’s voice cuts do not know if this is a bug or configuration is even like to have this information. With other devices do not.
Please open a ticket and our support team gladly attends you.
This is the link http://esupport.grandstream.com/support/customerportal/login.php
Have a nice day
I open this Thanks
Can you say me what is your ticket number?
I have the same problem, 2 DP715 phones connected in a UCM6104, cut off the connection when the two people are talking simultaneously.
DP715 info: Hardware Version: V1.3A Part Number:9610002713A Program – 188.8.131.52 Bootloader – 184.108.40.206 Core – 220.127.116.11 Base – 18.104.22.168
UCM6104 info: Boot:22.214.171.124 Core:126.96.36.199 Base:188.8.131.52 Lang:184.108.40.206 Program:220.127.116.11 Recovery:18.104.22.168
New installation, I can not finish - I am desperate