diff --git a/res/raw/linphonerc_default b/res/raw/linphonerc_default
index 79c0ce353..3287535b4 100644
--- a/res/raw/linphonerc_default
+++ b/res/raw/linphonerc_default
@@ -7,6 +7,8 @@ contact="Linphone Android" sip:linphone.android@unknown-host
 use_info=0
 use_ipv6=0
 keepalive_period=30000
+sip_port=-1
+sip_tcp_port=-1
 
 [video]
 size=qvga