tree 2ce5cc658af53e44cb66c2d56e86eb7a32be70e8
parent 5f760064e1975a50e4abb63e560731c8b2c7b56c
author Chia-chi Yeh <chiachi@android.com> 1315338432 -0700
committer Chia-chi Yeh <chiachi@android.com> 1315339568 -0700

SIP: avoid extreme small values in Min-Expires headers.

If the expiry time cannot be found in Contact header or Expires
header, use the default value of 3600 seconds, which is specified
in RFC 3261.

Change-Id: I2607a398b96743614b01713cfd9b28f40386fac1