Fix capability lookup failure

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1545 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -1512,6 +1512,7 @@ static struct sip_pvt *sip_alloc(char *callid, struct sockaddr_in *sin, int useg
 	/* Assume reinvite OK and via INVITE */
 	p->canreinvite = globalcanreinvite;
 	p->dtmfmode = globaldtmfmode;
+	p->capability = capability;
 	if (p->dtmfmode & SIP_DTMF_RFC2833)
 		p->noncodeccapability |= AST_RTP_DTMF;
 	strncpy(p->context, context, sizeof(p->context) - 1);