[Asterisk-Users] i4l - summary of patches?

[The Traveller]

Yo Iain,

On Tue, Jun 17, 2003 at 21:48:34 +0100, Iain McWilliams wrote:

> Hi,
> 
> I'm trying to get asterisk running on kernel 2.4.20 however trawling through
> the archives I've found a few references to patches to remove i4l's dtmf
> detection, but have been unable to find the patch itself (I think it is
> isdn_audio.c). Can anyone point me in the right direction?
> 
> The problem I'm seeing is connecting a SIP softphone (tried a few) to an
> external number via an Hisax type 35 isdn card causes 1-2 sec silences in
> the audio on the SIP phone.
> 
> Any pointers?

I recently did this myself.  Here's my patch.  Works for me.  Your
mileage may vary.  :-)



   Grtz,

     Oliver


Index: channels/chan_modem_i4l.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channels/chan_modem_i4l.c,v
retrieving revision 1.2
diff -u -r1.2 chan_modem_i4l.c
--- channels/chan_modem_i4l.c	27 Apr 2003 21:34:27 -0000	1.2
+++ channels/chan_modem_i4l.c	17 Jun 2003 21:52:04 -0000
@@ -265,7 +265,7 @@
 		if (option_debug)
 			ast_log(LOG_DEBUG, "Ignoring Escaped character '%c' (%d)\n", esc, esc);
 		return &p->fr;
-	case '0':
+	/* case '0':
 	case '1':
 	case '2':
 	case '3':
@@ -280,7 +280,7 @@
 		ast_log(LOG_DEBUG, "DTMF: '%c' (%d)\n", esc, esc);
 		p->fr.frametype=AST_FRAME_DTMF;
 		p->fr.subclass=esc;
-		return &p->fr;
+		return &p->fr; */
 	case 0: /* Pseudo signal */
 		return &p->fr;
 	default: