diff --git a/sip.conf b/sip.conf
index b7bb7b8..c0b6728 100644
--- a/sip.conf
+++ b/sip.conf
@@ -25,3 +25,21 @@ type=friend
 host=dynamic
 secret=456
 context=internal
+
+[7003]
+type=friend
+host=dynamic
+secret=7003
+context=internal
+
+[7004]
+type=friend
+host=dynamic
+secret=7004
+context=internal
+
+[7005]
+type=friend
+host=dynamic
+secret=7005
+context=internal