Hello,
I have a based asterisk ubuntu server, and everything was normal till today.
I can do a atttransfer with the # normally in all sip phones (yealink btw), but in my grandstreams, they stoped working with that method, and i haven’t done nothing to stop that from working.
Can anybody help me?? 
[quote=“joaosilvasts”]Hello,
I have a based asterisk ubuntu server, and everything was normal till today.
I can do a atttransfer with the # normally in all sip phones (yealink btw), but in my grandstreams, they stoped working with that method, and i haven’t done nothing to stop that from working.
Can anybody help me?? [/quote]
solved ! who wants the answer pm me 
Why don’t you just put the answer for helping other people?