move cseq to trydef

kamailio/presence-role.cfg

@@ -2,8 +2,11 @@
 #!trydef PRESENCE_MIN_EXPIRES 300
 #!trydef PRESENCE_MIN_EXPIRES_ACTION 1
 #!trydef PRESENCE_MAX_EXPIRES 3600
+
 #!trydef KZ_PRESENCE_IGNORE_STATUS_PROBE_RESP 1
 
+#!trydef KZ_PRESENCE_CSEQ_OFFSET 2
+
 #!trydef KZ_PRESENCE_MAX_CALL_PER_PRESENTITY 10
 
 modparam("htable", "htable", "p=>size=32;autoexpire=3600;")
@@ -42,7 +45,7 @@ modparam("presence", "local_log_level", 6)
 modparam("presence", "startup_mode", 0)
 modparam("presence", "force_delete", 1)
 modparam("presence", "timeout_rm_subs", 0)
-modparam("presence", "cseq_offset", 2)
+modparam("presence", "cseq_offset", KZ_PRESENCE_CSEQ_OFFSET)
 
 modparam("kazoo", "db_url", "KAZOO_DB_URL")
 modparam("kazoo", "pua_mode", 1)