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

[skumar453 at gmail.com]

Hi,

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 172.18.2.92:5065;branch=z9hG4bK374b.eee261c1.0
To: sip:alice at mydomain.com
From: sip:172.18.2.92:5065;tag=933e5c49d48198cc3b1dfd0b30660d07-2f8d
CSeq: 10 SUBSCRIBE
Call-ID: 2d0f7fbf-1185 at 172.18.2.92
Content-Length: 0
User-Agent: OpenSIPS (1.4.0-notls (i386/linux))
Max-Forwards: 70
Event: reg
Contact: <sip:172.18.2.92:5065>
P-Asserted-Identity: <sip:172.18.2.92:5065>
Expires: 600000


Can anybody help me resolving this?

Regards,
suresh
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