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Do not try to send RESTART on BRI PTMP spans, libpri will just print an error and do nothing, causing the channels to be stuck in RESTART forever. Add T316 (RESTART ACK timeout), which is not implemented by libpri. The default timeout is 30 seconds (Q.931 recommends 2 minutes, but that is a little long and libpri layer 2 is being stupid) and the restart attempt limit to 3 (instead of 2). Periodically send RESTART on idle b-channels in PTP NT mode. Default interval is 15 minutes, feature can be disabled by setting "idle_restart_interval" to 0 in the span configuration. Allow timeout / interval values to have an additional time unit suffix for convenience reasons, the default (no unit specified) is milliseconds, valid units include: w (week), d (day), h (hour), m (minute), s (second) Only full integers are accepted, no fractional numbers, valid examples: 2w = two weeks 37m = 37 minutes 1h = 1 hour Combinations of multiple numbers and units (e.g. "1w5d") are not supported. New span configuration parameters: idle_restart_interval (milliseconds / time unit suffix / 0 = disabled) t316 / restart_timeout (milliseconds / time unit suffix) t316_limit / restart_attempts (number of max. attempts) Signed-off-by: Stefan Knoblich <stkn@openisdn.net>
FreeTDM http://wiki.freeswitch.org/wiki/FreeTDM