tree 6056ef8d7471e35eaea90ed9ea300c568c5b7070
parent 701b995bc6fd59c6888510d46099d8e32e3c6511
author Hung-ying Tyan <tyanh@google.com> 1277952401 -0700
committer Hung-ying Tyan <tyanh@google.com> 1277952401 -0700

SIP telephony: add receiving call support (roughly)

also:
+ fix sendDtmf()
+ end a SIP session whenever a BYE is received.

Change-Id: I417ee24bb1339f844a69034bc833ea0b38c50416