YealinkW60b connects via tcp but not up

Andrew Byrd

Andrew Byrd

Member
Feb 16, 2018
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I am using the latest master from fusion PBX. I have a client that has 17 YeaLink T 54W and they connect via UDP no issue. The YeaLink W 60 B will only connect with the hands sets on TCP but not UDP. Registration fails on UDP but not TCP. I would like to keep everything on UDP. I have disabled only except trust certificates on the Link W 60 B. I have looked at logs and I just can’t seem to find out why registration fails on the yealink W 60 B on UDP but all the year Link T 54W will register successfully on UDP.
 
Has anyone else had this same issue? I have checked firewalls, and nat, but all looks good. I can connect via TCP but not UDP but only with the dect manager. All the yealink T54 desk phones connect via UDP with no issue. One might ask why I want to move the dect manager handsets off of TCP, that is because when connected via TCP the registration is intermittent.
 
I have no problems with registrations nearly exclusively TCP with T54 and W60. What register expires value are you using on device edit page for the devices? Too high of a value can cause registration issues.
 
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