according to rfc4235 the id element is mandatory. granstream phones are affected by this. You can view, comment on, or merge this pull request online at: https://github.com/kamailio/kamailio/pull/99 -- Commit Summary -- * presence_dialoginfo: rfc4235 in dummy dialog -- File Changes -- M modules/presence_dialoginfo/notify_body.c (2) -- Patch Links -- https://github.com/kamailio/kamailio/pull/99.patch https://github.com/kamailio/kamailio/pull/99.diff --- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/pull/99