Contact:sip:user@127.0.0.1:8008UE -------------------------------------------------------------------------------->PCSCFHi Jason,Thanks for your reply, we are facing an issue in following usecase.REGISTER[src ip:127.0.0.1:8008]On Tue, Nov 24, 2015 at 5:41 PM, Jason Penton <jason.penton@smilecoms.com> wrote:Hi Prashant,Often the P-CSCF has to know about the contact (for example for Rx QoS, security (asserting identity, etc). It is also possible that a contact header is not provided by the UE so you have no alternative but to search src info, via info, etc. So that is the main reason.So let me understand your problem a little more. You are saying the contact with the wrong state is being 'found'? If this is the case, there is a reslution we have in our code base that will get into master later this week? If not, please can you explain the problem you are having in more detail.CheersJasonOn Tue, Nov 24, 2015 at 1:22 PM, Daniel-Constantin Mierla <miconda@gmail.com> wrote:Hello,
updated the subject of the email to reflect it refers to IMS extensions, which are different than the standard IETF registrars.
That makes it easier to be spotted by the people using IMS and the dev guys can shed some light on why the implemented that way.
Cheers,
Daniel
On 24/11/15 11:59, Prashant Desai wrote:
Hi,
We observe that the following kamailio API is trying to find out user registration by comparing source IP and port with stored contact, if it fails, then it compares based on incoming SIP msg contact uri.
is_registered(struct sip_msg* _m, udomain_t* _d){
getContactP(_m,_d);
}
pcontact_t * getContactP(struct sip_msg* _m, udomain_t* _d) {);
//Getting pcontact from source IP and port
if (ul.get_pcontact_by_src(_d, &received_host, _m->rcv.src_port, _m->rcv.proto, &c) == 1) {
LM_DBG("No entry in usrloc for %.*s:%i (Proto %i) found!\n", received_host.len, received_host.s, _m->rcv.src_port, _m->rcv.proto);
}
if (c == NULL) {
//Getting pcontact from contact uri.
if (ul.get_pcontact(_d, &ct->uri, &c) == 0) {
}
}
We have use case where INVITE message is from same source IP and port but having unregistered contact.With this scenario,is_registered() will return success.
We would like to know reason behind comparing the source IP and port to fetch the pcontact?
Regards,
Prashant
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-- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Book: SIP Routing With Kamailio - http://www.asipto.com Kamailio Advanced Training, Nov 30-Dec 2, Berlin - http://asipto.com/kat
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