diff --git a/asterisk/conf/mobile/pjsip.conf b/asterisk/conf/mobile/pjsip.conf
index 02805e5..702379f 100644
--- a/asterisk/conf/mobile/pjsip.conf
+++ b/asterisk/conf/mobile/pjsip.conf
@@ -13,7 +13,7 @@ endpoint_identifier_order = ip,username,anonymous
 ; Basic UDP Transport.
 [ipv4-udp]
 type = transport
-bind = 0.0.0.0:65534
+bind = 0.0.0.0:25000
 protocol = udp
 local_net = 172.16.0.0/12
 local_net = 192.168.0.0/16
diff --git a/asterisk/conf/mobile/rtp.conf b/asterisk/conf/mobile/rtp.conf
index 51addcb..c252630 100644
--- a/asterisk/conf/mobile/rtp.conf
+++ b/asterisk/conf/mobile/rtp.conf
@@ -4,5 +4,5 @@
 ; Inspired by/Stolen from https://www.sacredheartsc.com/blog/building-a-personal-voip-system/
 ;
 [general]
-rtpstart = 62535
-rtpend = 65533
+rtpstart = 25010
+rtpend = 25600