Dunno why your phone isn't allowing you do negotiate
g711u but I can tell you how to upgrade the firmware. I
called them on Thursday for myself and they gave me the
following tftp server address for which to program my
phone.
4.3.153.50
Load this into your phone's tftp area and reboot it.
It'll g
Hi,
My gateway accepts G.711, but not my Grandstream 100 series SIP phone, but I
thought that thanks to CapabilitySet process they will agree to talk with any
other codec, so what is so important G.711 codec?
Best Regards,
Mireia
PS: I am tryaing to get the lattest firmware version, but i don`t
