Unable to register phone on Zultys MX250 r8.0.3: SIP 400 Error
Hello,
I just received a T46G running firmware version 28.71.0.70 and found it is sending malformed registration packets. I am trying to register to a Zultys MX250 running firmware r8.0.3. The Zultys sends back SIP/2.0 400 Bad Request. I know the account is good as I can register several different phones to the account without issue.
This is the SIP trace of the registration. One thing I noticed is the phone does not retry the registration the three time as setup in the phones config.
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REGISTER sip:192.168.1.250:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.113:5062;branch=z9hG4bK666461973
From: ""199"" <sip:isaacschneider@192.168.1.250>;tag=1872100210
To: ""199"" <sip:isaacschneider@192.168.1.250>
Call-ID: 455264881@192.168.1.113
CSeq: 1 REGISTER
Contact: <sip:isaacschneider@192.168.1.113:5062>
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER, PUBLISH, UPDATE, MESSAGE
Max-Forwards: 70
User-Agent: Yealink-T46G 28.71.0.70 28.1.0.128.0.0.0 001565457bb1 00:15:65:45:7b:b1
Expires: 3600
Mac: 001565457bb1
Content-Length: 0
SIP/2.0 400 Bad Request
Via: SIP/2.0/UDP 192.168.1.113:5062;branch=z9hG4bK666461973
From: ""199"" <sip:isaacschneider@192.168.1.250>;tag=1872100210
To: ""199"" <sip:isaacschneider@192.168.1.250>
Call-ID: 455264881@192.168.1.113
CSeq: 1 REGISTER
Contact: <sip:isaacschneider@192.168.1.113:5062>
Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE, REFER, PUBLISH, UPDATE, MESSAGE
Max-Forwards: 70
User-Agent: Yealink-T46G 28.71.0.70 28.1.0.128.0.0.0 001565457bb1 00:15:65:45:7b:b1
Expires: 3600
Mac: 001565457bb1
Content-Length: 0
=================================================
Any help would be appreciated.
Thanks,
Isaac
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