Hung-ying Tyan e65f3a896f Restart NAT port timeout measurement when keepalive fails and other fixes ...

Misc keepalive fixes including:
+ Restart NAT port timeout measurement when keepalive fails. The max interval
  is set to the current keepalive interval.
+ When exception occurs during sending a keepalive, restarts registration.
+ When exception occurs during measurement, retry for a limited times before
  giving up.

Change-Id: I7aa787a5ec7c4c9b4334aa1017371d9049b3520c

2011-06-24 15:28:15 +08:00

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android/server/sip

Restart NAT port timeout measurement when keepalive fails and other fixes

2011-06-24 15:28:15 +08:00