#0  0x08133d5d in ast_rtp_lookup_code (rtp=0xa2e, isAstFormat=1, code=256) at rtp.c:1662
1662		if (isAstFormat == rtp->rtp_lookup_code_cache_isAstFormat &&
(gdb) bt full
#0  0x08133d5d in ast_rtp_lookup_code (rtp=0xa2e, isAstFormat=1, code=256) at rtp.c:1662
	pt = 256
#1  0x08132439 in bridge_p2p_rtp_write (rtp=0x85009c8, rtpheader=0x8500a4c, len=32, hdrlen=12) at rtp.c:1066
	bridged = (struct ast_rtp *) 0xa2e
	res = 0
	payload = 18
	bridged_payload = 0
	version = 2
	padding = 0
	mark = 0
	ext = 0
	rtpPT = {isAstFormat = 1, code = 256}
	seqno = 17904
	__PRETTY_FUNCTION__ = "bridge_p2p_rtp_write"
#2  0x0813879e in p2p_rtp_callback (id=0x842b470, fd=124, events=1, cbdata=0x85009c8) at rtp.c:2874
	res = 32
	hdrlen = 12
	sin = {sin_family = 2, sin_port = 43569, sin_addr = {s_addr = 3139566399}, sin_zero = "\000\000\000\000\000\000\000"}
	len = 16
	header = (unsigned int *) 0x8500a4c
	rtp = (struct ast_rtp *) 0x85009c8
	__PRETTY_FUNCTION__ = "p2p_rtp_callback"
#3  0x08112083 in ast_io_wait (ioc=0x83fbb00, howlong=78) at io.c:279
	res = 4
	x = 1
	origcnt = 26
#4  0xb6573fcd in do_monitor (data=0x0) at chan_sip.c:14866
	res = 78
	sip = (struct sip_pvt *) 0x0
	peer = (struct sip_peer *) 0x0
	t = 1165943803
	fastrestart = 0
	lastpeernum = -1
	curpeernum = 8
	reloading = 0
	__PRETTY_FUNCTION__ = "do_monitor"
#5  0x0815d1e9 in dummy_start (data=0x83fd8a8) at utils.c:545
	_buffer = {__routine = 0x80d9e95 <ast_unregister_thread>, __arg = 0xb6520bb0, __canceltype = 0, __prev = 0x0}
	ret = (void *) 0x0
	a = {start_routine = 0xb6573a62 <do_monitor>, data = 0x0, 
  name = 0x83fd8b8 "do_monitor", ' ' <repeats 11 times>, "started at [14925] chan_sip.c restart_monitor()"}
#6  0x0066d371 in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#7  0x00558ffe in clone () from /lib/tls/libc.so.6
No symbol table info available.
(gdb) quit