[Kamailio-Users] 403 Forbidden to SUBSCRIBE for reg-event package

skumar453 at gmail.com skumar453 at gmail.com
Tue Dec 2 13:06:41 CET 2008


I am getting "403 Forbidden to SUBSCRIBE" error message.

below is the scenario:

1. SCSCF is sending third party register request (with reg event) to AS.

2. AS is sending back 200 OK

3. AS is sending SUBSCRIBE (with reg event) to SCSCF.

4. scscf is sending back "403 - Forbidden to SUBSCRIBE" error message to AS.
my SIP message is inline with the specification 24.141 (section: A.7. PNA  
subscription for the reg-event package) also.

Here is my SIP message:
SUBSCRIBE sip:alice at mydomain.com SIP/2.0
Via: SIP/2.0/UDP;branch=z9hG4bK374b.eee261c1.0
To: sip:alice at mydomain.com
From: sip:;tag=933e5c49d48198cc3b1dfd0b30660d07-2f8d
Call-ID: 2d0f7fbf-1185 at
Content-Length: 0
User-Agent: OpenSIPS (1.4.0-notls (i386/linux))
Max-Forwards: 70
Event: reg
Contact: <sip:>
P-Asserted-Identity: <sip:>
Expires: 600000

Can anybody help me resolving this?

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