diff --git a/agc_2-X/trunk/docs/conf_examples/pjsip.conf.sample-16 b/agc_2-X/trunk/docs/conf_examples/pjsip.conf.sample-16
index e88a2311..7e0aac3f 100644
--- a/agc_2-X/trunk/docs/conf_examples/pjsip.conf.sample-16
+++ b/agc_2-X/trunk/docs/conf_examples/pjsip.conf.sample-16
@@ -29,8 +29,8 @@ user_agent                                      = Asterisk
 type                            = transport
 protocol                        = udp
 bind                            = 0.0.0.0:5061
-external_media_address          = 192.168.1.15
-external_signaling_address      = 192.168.1.15
+external_media_address          = SERVER_EXTERNAL_IP
+external_signaling_address      = SERVER_EXTERNAL_IP
 local_net                       = 192.168.0.0/255.255.0.0
 local_net                       = 10.0.0.0/255.0.0.0
 local_net                       = 172.16.0.0/12