asterisk users - Sep 2005 - Polycom 300 with latest 1.5.3 firmware not registering

Hello,

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.

I've seen mails stating that some installations have more than 100 phones
working perfectly, can someone point me in the right direction to solve this ?

Regards,

Jorge A.

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