Hello everyone,
Yesterday I decided to upgrade my asterisk-setup at home and install it with Asterisk 15.4.0 which comes bundled with pjsip 2.7.2
Incoming registrations work just fine with most for most of my clients - except a (admittedly quite old) Patton mATA.
For further investigation, I enabled to the debug-output and found the following: https://pastebin.com/raw/nCssPuCm
As you can see, the device is sending the REGISTER and gets the 401 returned - but then nothing more happens.
It took me some time, but I then realized, that there are two whitespaces in between "WWW-Authenticate: Digest" and "realm=".
I tried patching around a little bit and realized at some point, that those two whitespaces seem to screw up the device. As soon as those two whitespaces are just one whitespace, the mATA sends a new REGISTER with the proper authentication.
Unfortunately, I was not able to locate the proper part of the pjsip-source where this double whitespace is introduced - so I am writing this message, hopeing that someone more knowledgeable can fix this.
I didn't report this bug to Asterisk as this seems (to me) like a pjsip-bug. If this assessment is wrong, please let me know and I'll report it somewhere else :-)
Best regards,
Martin
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