diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h
index 5e02e670d1..475317a23a 100644
--- a/include/asterisk/frame.h
+++ b/include/asterisk/frame.h
@@ -52,7 +52,7 @@ struct ast_codec_pref {
 	\arg \b VIDEO:	Video data, subclass is codec (AST_FORMAT_*)
 	\arg \b DTMF:	A DTMF digit, subclass is the digit
 	\arg \b IMAGE:	Image transport, mostly used in IAX
-	\arg \b TEXT:	Text messages
+	\arg \b TEXT:	Text messages and character by character (real time text)
 	\arg \b HTML:	URL's and web pages
 	\arg \b MODEM:	Modulated data encodings, such as T.38 and V.150
 	\arg \b IAX:	Private frame type for the IAX protocol
@@ -261,6 +261,10 @@ extern struct ast_frame ast_null_frame;
 /*! Maximum video format */
 #define AST_FORMAT_MAX_VIDEO	(1 << 24)
 #define AST_FORMAT_VIDEO_MASK   (((1 << 25)-1) & ~(AST_FORMAT_AUDIO_MASK))
+/*! T.140 Text format - ITU T.140, RFC 4351*/
+#define AST_FORMAT_T140		(1 << 25)
+#define AST_FORMAT_MAX_TEXT	(1 << 26)
+#define AST_FORMAT_TEXT_MASK   (((1 << 25)-1) & ~(AST_FORMAT_AUDIO_MASK))
 
 enum ast_control_frame_type {
 	AST_CONTROL_HANGUP = 1,		/*!< Other end has hungup */
diff --git a/main/frame.c b/main/frame.c
index 681f36892c..bac9340c7f 100644
--- a/main/frame.c
+++ b/main/frame.c
@@ -130,6 +130,10 @@ static struct ast_format_list AST_FORMAT_LIST[] = {					/*!< Bit number: comment
 	{ 0, 0, "nothing", "undefined" },
 	{ 0, 0, "nothing", "undefined" },
 	{ 0, AST_FORMAT_MAX_VIDEO, "maxvideo", "Maximum video format" },
+	{ 0, AST_FORMAT_T140, "t140", "Passthrough T.140 Realtime Text" },
+	{ 0, 0, "nothing", "undefined" },
+	{ 0, 0, "nothing", "undefined" },
+	{ 0, AST_FORMAT_MAX_TEXT, "maxtext", "Maximum text format" },
 };
 
 struct ast_frame ast_null_frame = { AST_FRAME_NULL, };
diff --git a/main/rtp.c b/main/rtp.c
index 93c92a845d..307ae18889 100644
--- a/main/rtp.c
+++ b/main/rtp.c
@@ -1408,6 +1408,7 @@ static struct {
 	{{1, AST_FORMAT_H263}, "video", "H263"},
 	{{1, AST_FORMAT_H263_PLUS}, "video", "h263-1998"},
 	{{1, AST_FORMAT_H264}, "video", "H264"},
+	{{1, AST_FORMAT_T140}, "text", "T140"},
 };
 
 /* Static (i.e., well-known) RTP payload types for our "AST_FORMAT..."s:
@@ -1439,6 +1440,7 @@ static struct rtpPayloadType static_RTP_PT[MAX_RTP_PT] = {
 	[97] = {1, AST_FORMAT_ILBC},
 	[99] = {1, AST_FORMAT_H264},
 	[101] = {0, AST_RTP_DTMF},
+	[102] = {0, AST_FORMAT_T140},	/* Real time text chat */
 	[110] = {1, AST_FORMAT_SPEEX},
 	[111] = {1, AST_FORMAT_G726},
 	[112] = {1, AST_FORMAT_G726_AAL2},