FusionPBX 401 Unauthorized with Yealink T42G Rport - Resolved

[hs21]

Hi guys,

I had a very strange issue a couple of days agao. All my three Yealink T42G handsets could always registered with TCP and TLS without any issues. But they could not always register with UDP. After capturing the packets, I found the issue was that the Yealink handsets used the default source port 5060, but the FusionPBX replied to a different port and it ended up with sending 401 Unauthorized packets to the handsets.

After referring to Yealink documentation about RPort, after I enabled the RPort on all 3 handsets and they all registered with UDP right away.


Yealink Rport reference:




More details about NAT traversal could be found here: https://developer.signalwire.com/freeswitch/FreeSWITCH-Explained/Networking/NAT-Traversal_3375417


Cheers,
Hen

 

[whut]

hmmm. That is good to be aware of. Were you having an issue registering through UDP when automatic provisioning? I would not expect that you would have an issue with this when automatically provisioning because the yealink_rport default setting is enabled by default and the Yealink provisioning templates are using this variable.

https://github.com/search?q=repo:fusionpbx/fusionpbx yealink_rport&type=code

 

[hs21]

Thanks for sharing your insights, Whut. I did not use auto provisioning for this setup. I will try it this weekend. As I am new to FusionPBX and love its features. I really appreciate you guys' help in the forum.