Steven Ayre 93bd5833c2 Add uptime property to mod_sofia gateways
The 'UP' status indicates a gateway is online as determined by
registration and/or SIP OPTIONS pinging.

The time the gateway has been in the 'UP' status is recorded,
and can be monitored using 'sofia status' and 'sofia xmlstatus'.

This can be used to detect and graph when there are outages.

ref: FS-6772

Reviewed-by: Travis Cross <tc@traviscross.com>
2014-09-04 03:43:36 +00:00
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