Hi,
When setting fr_inv_timer to 60s and the phone is not answered kamailio generates a timeout after 20s ? If fr_inv_timer is set to 90s the timeout is generated after 30s ?
Doing a level 7 debug I received the following tm timer related output
Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1755]: DBG:tm:set_timer: relative timeout is 500000 Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1755]: DBG:tm:insert_timer_unsafe: [4]: 0xafa6abc4 (16900000) Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1755]: DBG:tm:set_timer: relative timeout is 3 Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1755]: DBG:tm:insert_timer_unsafe: [0]: 0xafa6abe0 (51) Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1754]: DBG:tm:set_timer: relative timeout is 60 Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1754]: DBG:tm:insert_timer_unsafe: [1]: 0xafa6abe0 (108) Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1751]: DBG:tm:set_timer: relative timeout is 60 Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1751]: DBG:tm:insert_timer_unsafe: [1]: 0xafa6abe0 (108) Jun 3 15:07:12 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:utimer_routine: timer routine:4,tl=0xafa6abc4 next=(nil), timeout=16900000
<phone is ringing ....>
Jun 3 15:07:32 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:timer_routine: timer routine:1,tl=0xafa6abe0 next=(nil), timeout=108 Jun 3 15:07:32 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:final_response_handler: stop retr. and send CANCEL (0xafa6aa78) Jun 3 15:07:32 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:t_should_relay_response: T_code=180, new_code=408 Jun 3 15:07:32 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:t_pick_branch: picked branch 0, code 408 Jun 3 15:07:32 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:t_check: start=0xafa6aa78 Jun 3 15:07:32 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:t_check: transaction already found! Jun 3 15:07:32 sip-proxy-01 /usr/local/sbin/kamailio[1758]: DBG:tm:pv_get_tm_reply_code: reply code is <408>
version: kamailio 1.5.1-notls (i386/linux) flags: STATISTICS, USE_IPV6, USE_TCP, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, PKG_SIZE 4194304 poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. svnrevision: 2:5868M @(#) $Id: main.c 5608 2009-02-13 16:48:17Z henningw $ main.c compiled on 14:40:00 Jun 3 2009 with gcc 4.1.2
Kind regards Hans