Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 354394)
+++ channels/chan_sip.c	(working copy)
@@ -7503,7 +7503,13 @@
 		}
 		break;
 	case 5:
-		f = ast_udptl_read(p->udptl);	/* UDPTL for T.38 */
+		if (ast_test_flag(&p->flags[1], SIP_PAGE2_T38_P2P)) {
+			struct ast_channel *c = ast_bridged_channel(ast);
+			struct sip_pvt *t = c->tech_pvt;
+			f = ast_udptl_read(p->udptl, t->udptl);	/* UDPTL for T.38 in p2p mode*/
+		} else {
+			f = ast_udptl_read(p->udptl, NULL); /* UDPTL for T.38 */
+		}
 		break;
 	default:
 		f = &ast_null_frame;
@@ -27660,6 +27666,9 @@
 	} else if (!strcasecmp(v->name, "t38pt_usertpsource")) {
 		ast_set_flag(&mask[1], SIP_PAGE2_UDPTL_DESTINATION);
 		ast_set2_flag(&flags[1], ast_true(v->value), SIP_PAGE2_UDPTL_DESTINATION);
+	} else if (!strcasecmp(v->name, "t38pt_p2p")) {
+		ast_set_flag(&mask[1], SIP_PAGE2_T38_P2P);
+		ast_set2_flag(&flags[1], ast_true(v->value), SIP_PAGE2_T38_P2P);
 	} else {
 		res = 0;
 	}
Index: channels/sip/include/sip.h
===================================================================
--- channels/sip/include/sip.h	(revision 354394)
+++ channels/sip/include/sip.h	(working copy)
@@ -351,6 +351,7 @@
 #define SIP_PAGE2_VIDEOSUPPORT_ALWAYS       (1 << 27)   /*!< DP: Always set up video, even if endpoints don't support it */
 #define SIP_PAGE2_HAVEPEERCONTEXT           (1 << 28)   /*< Are we associated with a configured peer context? */
 #define SIP_PAGE2_USE_SRTP                  (1 << 29)   /*!< DP: Whether we should offer (only)  SRTP */
+#define SIP_PAGE2_T38_P2P                   (1 << 30)   /*!< Directly forward T.38 UDPTL pakets without extrac them in passthrough mode */
 
 #define SIP_PAGE2_FLAGS_TO_COPY \
 	(SIP_PAGE2_ALLOWSUBSCRIBE | SIP_PAGE2_ALLOWOVERLAP | SIP_PAGE2_IGNORESDPVERSION | \
@@ -358,7 +359,7 @@
 	SIP_PAGE2_BUGGY_MWI | SIP_PAGE2_TEXTSUPPORT | SIP_PAGE2_FAX_DETECT | \
 	SIP_PAGE2_UDPTL_DESTINATION | SIP_PAGE2_VIDEOSUPPORT_ALWAYS | SIP_PAGE2_PREFERRED_CODEC | \
 	SIP_PAGE2_RPID_IMMEDIATE | SIP_PAGE2_RPID_UPDATE | SIP_PAGE2_SYMMETRICRTP |\
-	SIP_PAGE2_Q850_REASON | SIP_PAGE2_HAVEPEERCONTEXT | SIP_PAGE2_USE_SRTP)
+	SIP_PAGE2_Q850_REASON | SIP_PAGE2_HAVEPEERCONTEXT | SIP_PAGE2_USE_SRTP | SIP_PAGE2_T38_P2P)
 
 
 #define SIP_PAGE3_SNOM_AOC               (1 << 0)  /*!< DPG: Allow snom aoc messages */
Index: include/asterisk/udptl.h
===================================================================
--- include/asterisk/udptl.h	(revision 354394)
+++ include/asterisk/udptl.h	(working copy)
@@ -90,7 +90,7 @@
 
 int ast_udptl_write(struct ast_udptl *udptl, struct ast_frame *f);
 
-struct ast_frame *ast_udptl_read(struct ast_udptl *udptl);
+struct ast_frame *ast_udptl_read(struct ast_udptl *udptl, struct ast_udptl *p2p_udptl);
 
 int ast_udptl_fd(const struct ast_udptl *udptl);
 
Index: main/udptl.c
===================================================================
--- main/udptl.c	(revision 354394)
+++ main/udptl.c	(working copy)
@@ -654,14 +654,14 @@
 	struct ast_udptl *udptl = cbdata;
 	struct ast_frame *f;
 
-	if ((f = ast_udptl_read(udptl))) {
+	if ((f = ast_udptl_read(udptl, NULL))) {
 		if (udptl->callback)
 			udptl->callback(udptl, f, udptl->data);
 	}
 	return 1;
 }
 
-struct ast_frame *ast_udptl_read(struct ast_udptl *udptl)
+struct ast_frame *ast_udptl_read(struct ast_udptl *udptl, struct ast_udptl *p2p_udptl)
 {
 	int res;
 	struct ast_sockaddr addr;
@@ -710,7 +710,20 @@
 
 		ast_verb(1, "UDPTL (%s): packet from %s (seq %d, len %d)\n",
 			LOG_TAG(udptl), ast_sockaddr_stringify(&addr), seq_no, res);
+
+		if(p2p_udptl && !ast_sockaddr_isnull(&p2p_udptl->them))
+			ast_verb(1, "UDPTL (%s): send packet p2p to %s (seq %d, len %d)\n",
+				LOG_TAG(udptl), ast_sockaddr_stringify(&p2p_udptl->them), seq_no, res);
+
 	}
+	/* dont unpack the udptl paket. forward it directly */
+	if(p2p_udptl && !ast_sockaddr_isnull(&p2p_udptl->them)) {
+                if ((res = ast_sendto(p2p_udptl->fd, buf, res, 0, &p2p_udptl->them)) < 0)
+                        ast_log(LOG_NOTICE, "UPTL Transmission error to %s: %s\n", ast_sockaddr_stringify(&p2p_udptl->them), strerror(errno));
+		return &ast_null_frame;
+	}
+
+	/* do the full interpretation of the udptl paket */
 	if (udptl_rx_packet(udptl, buf, res) < 1) {
 		return &ast_null_frame;
 	}