Re: [SR-Users] Call Routing at IMS

2019-05-29 Thread Valentin Christoph
Sent: Thursday, May 23, 2019 12:26 PM To: Kamailio (SER) - Users Mailing List Subject: [SR-Users] Call Routing at IMS Hi Everyone When P-CSCF receives INVITE from client it sends INVITE to S-CSCF then S-CSCF without any look up(checking the user is registered or not)sends INVITE to I-CSCF then I

[SR-Users] Call Routing at IMS

2019-05-23 Thread Iman Mohammadi
Hi Everyone When P-CSCF receives INVITE from client it sends INVITE to S-CSCF then S-CSCF without any look up(checking the user is registered or not)sends INVITE to I-CSCF then I-CSCF sends LIR and receives LIA and sends INVITE to same S-CSCF (in case of one S-CSCF exists).My Question is here why