[Asterisk-Users] Zultys Zip2 (SIP)

[Terence Parker]

Has anyone ever tried getting a Zultys ZIP2 phone to work with 
Asterisk? We have a few of these lying around in the office but are 
having difficulties getting them to dial out - authentication error. 
Curiously though, the Zip2 initially logs in correctly and is still 
able to receive calls.

The error I get when a ZIP2 phone attempts to dial:

NOTICE[245776]: File chan_sip.c, Line 4802 (handle_request): Failed to 
authenticate user 
Test<sip:Test at 192.168.0.254;user=phone>;tag=178bc-2289b
WARNING[245776]: File chan_sip.c, Line 435 (retrans_pkt): Maximum 
retries exceeded on call 60b9d570-3c374-c0a81bcf at 192.168.0.254 for 
seqno 100 (Response)
WARNING[245776]: File chan_sip.c, Line 435 (retrans_pkt): Maximum 
retries exceeded on call 60b9d570-3c374-c0a81bcf at 192.168.0.254 for 
seqno 100 (Response)
NOTICE[245776]: File chan_sip.c, Line 4802 (handle_request): Failed to 
authenticate user 
Test<sip:Test at 192.168.0.254;user=phone>;tag=178bc-2289b
WARNING[245776]: File chan_sip.c, Line 435 (retrans_pkt): Maximum 
retries exceeded on call 60b9d570-3c374-c0a81bcf at 192.168.0.254 for 
seqno 100 (Response)
WARNING[245776]: File chan_sip.c, Line 435 (retrans_pkt): Maximum 
retries exceeded on call 60b9d570-3c374-c0a81bcf at 192.168.0.254 for 
seqno 100 (Response)

I have entered the username/password correctly, but my guess is the 
phone probably does its authentication in a different way. Zultys claim 
the phone is fully SIP compliant and very generic - but I have been 
increasingly finding them working well only with their own gateways 
(which are extremely expensive).

For those not familiar with the Zip2, I have two screenshots showing 
the relavent web based configuration screens - you can find these at 
http://parker.com.hk/zultys (don't want to fill up your mailbox with 
large attachments).

I have tried several combinations, including using AES for the 
authentication too - but with no luck. Could it be that this phone just 
doesn't work with asterisk?

Thanks!

Terence
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