Hello,

Attached is a patch for iaxmodem 1.3.5 to plug a memory leak when the 
IAX server is unreachable.

Cheers,

Larry.
diff -Nupr /usr/ports/telephony/iaxmodem/Makefile ./Makefile
--- /usr/ports/telephony/iaxmodem/Makefile	Wed Feb 18 21:43:48 2026
+++ ./Makefile	Mon Jun 22 14:48:00 2026
@@ -1,6 +1,7 @@
 COMMENT=	a software fax modem that uses an IAX channel
 
 DISTNAME=	iaxmodem-1.3.5
+REVISION=	0
 CATEGORIES=	telephony
 SITES=		${SITE_SOURCEFORGE:=iaxmodem/}
 
diff -Nupr /usr/ports/telephony/iaxmodem/patches/patch-iaxmodem_c ./patches/patch-iaxmodem_c
--- /usr/ports/telephony/iaxmodem/patches/patch-iaxmodem_c	Wed Feb 18 21:43:48 2026
+++ ./patches/patch-iaxmodem_c	Mon Jun 22 14:45:29 2026
@@ -62,3 +62,11 @@ Index: iaxmodem.c
  	_exit(-1);
      }
  
+@@ -1566,6 +1564,7 @@
+ 			if (regstate == PENDING) {
+ 			    printlog(LOG_ERROR, "Registration timed out.\n");
+ 			}
++			iax_destroy(session[1]);
+ 			break;
+ 		    case IAX_EVENT_ACCEPT:
+ 			phonestate = PHONE_CALLACCEPTED;

• iaxmodem-1.3.5p0.diff (874B)