#0  0xa7f0d01d in udp_socket_set_them (info=0x0, them=0xa650437c) at udp.c:270
#1  0xa7ee941b in opbx_rtp_set_peer (rtp=0x80afa70, them=0xa6504aa4) at rtp.c:1393
#2  0xa653b7de in process_sdp (p=0x80ace48, req=0xa6506b10) at chan_sip.c:4328
#3  0xa65435a1 in handle_response_invite (p=0x80ace48, resp=183, rest=<value optimized out>,
    req=0xa6506b10, ignore=0, seqno=103) at chan_sip.c:10804
#4  0xa655bcf6 in handle_response (p=0x80ace48, resp=183, rest=0xa6506d34 "Session Progress",
    req=0xa6506b10, ignore=0, seqno=103) at chan_sip.c:11170
#5  0xa655ce4c in handle_request (p=0x80ace48, req=0xa6506b10, sin=0xa6507eb8, recount=0xa6507ecc,
    nounlock=0xa6507ed0) at chan_sip.c:12401
#6  0xa655df4d in sipsock_read (id=0x804c290, fd=11, events=1, ignore=0x0) at chan_sip.c:12630
#7  0xa7e9d394 in opbx_io_wait (ioc=0x806ac60, howlong=1000) at io.c:287
#8  0xa65559ad in do_monitor (data=0x0) at chan_sip.c:12814
#9  0xa7e2b0bd in start_thread () from /lib/tls/libpthread.so.0
#10 0xa7c5e8fe in clone () from /lib/tls/libc.so.6