mikedaddy blog

A blog about life, linux, networking, photography, and Perl

Yealink T46s PJSIP Cipher Issues

I’ve been having a lot of issues with older Yealink phones not working with pjsip and TLS. Keep getting busy, and end up setting taking the lazy road (and less secure), and setting old broken endpoints to use UDP instead. You can also downgrade the extension to SIP and sometimes TLS will work, but moving it to PJSIP just breaks it. For security sake, please set your phones behind a VPN if you’re going to register without TLS.

Posted by Michael Palmer on Wednesday, December 13, 2023

Kamailio - Changing the From URI for Level3

URI weirdness with Level3

Posted by Michael Palmer on Tuesday, April 10, 2012

Trixbox Polycom Directory of all extensions for IP650

Generating an XML directory for a Polycom 650 phone.

Posted by Michael Palmer on Tuesday, September 27, 2011

Polycom and Trixbox DND Softkey

Configuring a working DND button on a Polycom 330 or 550 phone.

Posted by Michael Palmer on Wednesday, December 15, 2010

SIP/503 Error Code

Just a random thought here: If we are talking SIP to one another, and you’re not going to complete my call… Please oh please come back with a 503, not “200 OK”! And thanks for making me setup static routes for area codes you wont return 503 on too.

Posted by Michael Palmer on Tuesday, December 14, 2010

Michael blogs here about random stuff. He's a network engineer, Perl hacker, and photographer.

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