Hi Jorge -

I got 3 Polycom 300 phones, and upgraded to the latest firmware provided by the reseller.

This is my first experience with Polycom and I cannot make them register in my Asterisk Box.

I followed every advice I found (including separating [user] and [peer] in sip.conf.

Using ethereal, I found that it tries to SUBSCRIBE to the asterisk box and it receives a 403 FORBIDDEN message.

I compared to a Grandstream registration, and it tries to REGISTER to the asterisk receiving a 200 Message response and effectively registering.

Finding in the packet capture no other great difference, I believe that SUBSCRIBE requires a different authentification approach, maybe related to the voIpProt.SIP.requestValidation.digest.realm parameter in sip.cfg. I Tried the Polycom default, empty, default (voicemail context), from-internal (Extension context), the IP of the asterisk box, the name of the asterisk box, asterisk, etc, with no result. I tried different approaches documented in the wiki and related pages with no result. I can makke calls but I cannot receive them.


To start off, can you post your Polycom phone.cfg file and your asterisk sip.conf files?

Thanks,
Noah
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