added inboundEnabled as false for sip domain.

Author: sahilsuman933

fern/advanced/sip/sip-plivo.mdx

@@ -96,7 +96,8 @@ Indian phone numbers cannot be used with Plivo on Vapi due to TRAI regulations.
             "name": "PLIVO Trunk",
             "gateways": [
               {
-                "ip": "YOUR_PLIVO_TERMINATION_SIP_DOMAIN"
+                "ip": "YOUR_PLIVO_TERMINATION_SIP_DOMAIN",
+                "inboundEnabled": false
               }
             ]
           }'
@@ -112,7 +113,8 @@ Indian phone numbers cannot be used with Plivo on Vapi due to TRAI regulations.
           "updatedAt": "2025-05-05T16:38:08.815Z",
           "gateways": [
             {
-              "ip": "1856282236xxxxxxxxxxx.zt.plivo.com"
+              "ip": "1856282236xxxxxxxxxxx.zt.plivo.com",
+              "inboundEnabled": false
             }
           ],
           "name": "PLIVO Trunk"

fern/advanced/sip/sip-telnyx.mdx

@@ -94,7 +94,8 @@ Integrate your Telnyx SIP trunk with Vapi to enable your AI voice assistants to
         "name": "Telnyx Trunk",
         "gateways": [
           {
-            "ip": "sip.telnyx.com"
+            "ip": "sip.telnyx.com",
+            "inboundEnabled": false
           }
         ],
         "outboundAuthenticationPlan": {

fern/advanced/sip/sip-trunk.mdx

@@ -48,7 +48,8 @@ Vapi supports multiple SIP trunk configurations, including:
         "provider": "byo-sip-trunk",
         "name": "Zadarma Trunk",
         "gateways": [{
-          "ip": "sip.zadarma.com"
+          "ip": "sip.zadarma.com",
+          "inboundEnabled": false
         }],
         "outboundLeadingPlusEnabled": true,
         "outboundAuthenticationPlan": {

fern/advanced/sip/sip-twilio.mdx

@@ -74,7 +74,8 @@ This guide walks you through setting up both outbound and inbound SIP trunking b
      "name": "Twilio Trunk",
      "gateways": [
        {
-         "ip": "YOUR_TWILIO_GATEWAY_ID"
+         "ip": "YOUR_TWILIO_GATEWAY_ID",
+         "inboundEnabled": false
        }
      ],
      "outboundLeadingPlusEnabled": true

fern/advanced/sip/sip-zadarma.mdx

@@ -33,7 +33,7 @@ curl -L 'https://api.vapi.ai/credential' \\
   "provider": "byo-sip-trunk",
   "name": "Zadarma Trunk",
   "gateways": [
-    { "ip": "sip.zadarma.com" }
+    { "ip": "sip.zadarma.com", "inboundEnabled": false }
   ],
   "outboundLeadingPlusEnabled": true,
   "outboundAuthenticationPlan": {