May 19 19:05:38 DEBUG[3235] chan_sip.c: Allocating new SIP dialog for SBC74f3df99a73c49b055f268092e34fea2@10.161.128.36 - INVITE (With RTP)
May 19 19:05:38 DEBUG[3235] chan_sip.c: **** Received INVITE (5) - Command in SIP INVITE
May 19 19:05:38 DEBUG[3235] chan_sip.c: * SIP extension value: 2 for call SBC74f3df99a73c49b055f268092e34fea2@10.161.128.36
May 19 19:05:38 DEBUG[3235] chan_sip.c: Setting NAT on RTP to 0
May 19 19:05:38 DEBUG[3235] chan_sip.c: = Found Their Call ID: SBC74f3df99a73c49b055f268092e34fea2@10.161.128.36 Their Tag 500f4618 Our tag: as2549f5bc
May 19 19:05:38 DEBUG[3235] chan_sip.c: **** Received ACK (6) - Command in SIP ACK
May 19 19:05:38 DEBUG[3235] chan_sip.c: Stopping retransmission on 'SBC74f3df99a73c49b055f268092e34fea2@10.161.128.36' of Response 1: Match Found