diff --git a/tests/pjsua/inc_sdp.py b/tests/pjsua/inc_sdp.py
new file mode 100644
index 0000000..97dfdc7
--- /dev/null
+++ b/tests/pjsua/inc_sdp.py
@@ -0,0 +1,38 @@
+# $Id$
+
+# SDP template
+sdp_templ = \
+"""v=0\r
+o=- 1 1 $NET_TYPE $ADDR_TYPE $LOCAL_IP\r
+s=pjmedia\r
+t=0 0\r
+$SDP_LINES"""
+
+sdp_media_templ = \
+"""m=$MEDIA_TYPE $PORT $TRANSPORT 0\r
+c=$NET_TYPE $ADDR_TYPE $LOCAL_IP\r
+$SDP_LINES"""
+
+# Create SDP session
+def session(local_ip="127.0.0.1", extra_lines="", net_type="IN", addr_type="IP4"):
+	sdp = sdp_templ
+	sdp = sdp.replace("$NET_TYPE", net_type)
+	sdp = sdp.replace("$ADDR_TYPE", addr_type)
+	sdp = sdp.replace("$LOCAL_IP", local_ip)
+	sdp = sdp.replace("$SDP_LINES", extra_lines)
+	return sdp
+
+# Create basic SDP media
+def media(media_type="audio", local_port=4000, local_ip="127.0.0.1", extra_lines="", 
+			  net_type = "IN", addr_type="IP4", transport="RTP/AVP"):
+	sdp = sdp_media_templ
+	sdp = sdp.replace("$MEDIA_TYPE", media_type)
+	sdp = sdp.replace("$LOCAL_IP", local_ip)
+	sdp = sdp.replace("$PORT", str(local_port))
+	sdp = sdp.replace("$NET_TYPE", net_type)
+	sdp = sdp.replace("$ADDR_TYPE", addr_type)
+	sdp = sdp.replace("$TRANSPORT", transport)
+	sdp = sdp.replace("$SDP_LINES", extra_lines)
+	return sdp
+
+