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#### Description <!-- Describe your changes in detail --> if there is a sos parameter on Contact header on saving state in P-CSCF ,P-CSCF dont subscribe to S-CSCF for reg-events. 3GPP TS 24.229 5.2.10.1 Upon receiving the 200 (OK) response to the REGISTER request that completes the emergency registration, as identified by the presence of the "sos" SIP URI parameter in the Contact header field of the 200 (OK) response, the P-CSCF shall not subscribe to the registration event package for any emergency public user identity specified in the REGISTER request. You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/1812

-- Commit Summary --

* ims_registrar_pcscf : added a condition for subscribiton about sos param

-- File Changes --

M src/modules/ims_registrar_pcscf/save.c (31)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1812.patch https://github.com/kamailio/kamailio/pull/1812.diff