Merged revisions 159246 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r159246 | tilghman | 2008-11-25 15:40:28 -0600 (Tue, 25 Nov 2008) | 14 lines
  
  Merged revisions 159245 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.2
  
  ........
    r159245 | tilghman | 2008-11-25 15:37:06 -0600 (Tue, 25 Nov 2008) | 7 lines
    
    Regression fix for last security fix.  Set the iseqno correctly.
    (closes issue #13918)
     Reported by: ffloimair
     Patches: 
           20081119__bug13918.diff.txt uploaded by Corydon76 (license 14)
     Tested by: ffloimair
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@159247 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -3639,7 +3639,7 @@ struct parsed_dial_string {
 static int send_apathetic_reply(unsigned short callno, unsigned short dcallno, struct sockaddr_in *sin, int command, int ts, unsigned char seqno)
 {
 	struct ast_iax2_full_hdr f = { .scallno = htons(0x8000 | callno), .dcallno = htons(dcallno),
-		.ts = htonl(ts), .iseqno = seqno, .oseqno = seqno, .type = AST_FRAME_IAX,
+		.ts = htonl(ts), .iseqno = seqno, .oseqno = 0, .type = AST_FRAME_IAX,
 		.csub = compress_subclass(command) };
 
 	return sendto(defaultsockfd, &f, sizeof(f), 0, (struct sockaddr *)sin, sizeof(*sin));
@@ -8318,7 +8318,7 @@ static int socket_process(struct iax2_thread *thread)
 		/* Deal with POKE/PONG without allocating a callno */
 		if (f.frametype == AST_FRAME_IAX && f.subclass == IAX_COMMAND_POKE) {
 			/* Reply back with a PONG, but don't care about the result. */
-			send_apathetic_reply(1, ntohs(fh->scallno), &sin, IAX_COMMAND_PONG, ntohs(fh->ts), fh->oseqno);
+			send_apathetic_reply(1, ntohs(fh->scallno), &sin, IAX_COMMAND_PONG, ntohs(fh->ts), fh->iseqno + 1);
 			return 1;
 		} else if (f.frametype == AST_FRAME_IAX && f.subclass == IAX_COMMAND_ACK && dcallno == 1) {
 			/* Ignore */