[Asterisk-Users] Re: Polycom 300 with latest 1.5.3 firmware not registering

[Noah Miller]

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