diff --git a/src/freedombone b/src/freedombone
index ee5f5140..8cef98f3 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -355,6 +355,7 @@ VOIP_PORT=64738
 SIP_SERVER_PASSWORD=
 SIP_PORT=5060
 VOIP_ONION_PORT=8095
+SIP_ONION_PORT=8096
 
 # Location of VoIP database and configuration
 VOIP_DATABASE="mumble-server.sqlite"
@@ -9597,6 +9598,16 @@ function install_sip {
     groupadd sipwitch
     usermod -aG sipwitch $MY_USERNAME
 
+    SIP_ONION_HOSTNAME=
+    if [[ $ONION_ONLY == "no" ]]; then
+        SIP_ONION_HOSTNAME=$(add_onion_service sip ${SIP_PORT} ${SIP_ONION_PORT})
+    else
+        SIP_ONION_HOSTNAME=$(add_onion_service sip ${SIP_PORT} ${SIP_PORT})
+    fi
+    if ! grep -q $"SIP onion domain" $COMPLETION_FILE; then
+        echo "SIP onion domain:$SIP_ONION_HOSTNAME" >> $COMPLETION_FILE
+    fi
+
     systemctl restart sipwitch
 
     if ! grep -q $"SIP Server" /home/$MY_USERNAME/README; then
@@ -9604,6 +9615,7 @@ function install_sip {
         echo '' >> /home/$MY_USERNAME/README
         echo $'SIP Server' >> /home/$MY_USERNAME/README
         echo '==========' >> /home/$MY_USERNAME/README
+        echo $"SIP onion_domain: $SIP_ONION_HOSTNAME" >> /home/$MY_USERNAME/README
         echo $"SIP server username: $MY_USERNAME" >> /home/$MY_USERNAME/README
         echo $"SIP server extension: 201" >> /home/$MY_USERNAME/README
         echo $"SIP server password: $SIP_SERVER_PASSWORD" >> /home/$MY_USERNAME/README