i little confused configuration of sip account. think here, clarify issues, based on sip stack documentation . all works fine, want add configuration working account. note, other methods protocol works fine. want use, configure methods: retryintervalsec() , delaybeforerefreshsec() , timeoutsec() . problem, methods doesn't work, below example of setting config. based on doc above delaybeforerefreshsec has value of 5 sec. registration refreshing after 5 sec, , when getting base value default config, it's equal default setting. but! refreshing doesn't firing after 5 sec! do ready magic? as can see, methods name "delaybeforerefreshsec", means use input seconds (for ex. delaybeforerefreshsec(5)). but, when setting methods value long (for ex. delaybeforerefreshsec(100000)), refreshing start firing every 5 sec! note, value above 500, start working periodic 5 sec! i know, maybe there verification , setting base value in source, if it's more higher val...