Update sip-plivo.mdx

Author: sahilsuman933

fern/advanced/sip/sip-plivo.mdx

@@ -4,6 +4,10 @@ subtitle: How to integrate Plivo SIP with Vapi
 slug: advanced/sip/plivo
 ---
 
+<Warning>
+Please note that Indian numbers cannot be obtained from Plivo for use with Vapi. This is due to TRAI regulations, which mandate SIP termination to occur via an Indian server—a requirement we currently do not fulfill.
+</Warning>
+
 This guide walks you through setting up both outbound and inbound SIP trunking between Plivo and Vapi.
 
 ## Outbound Calls (Plivo to Vapi)
@@ -213,4 +217,4 @@ This guide walks you through setting up both outbound and inbound SIP trunking b
    - Create an assistant following the steps at [https://docs.vapi.ai/quickstart/dashboard#create-an-assistant](https://docs.vapi.ai/quickstart/dashboard#create-an-assistant)
    - In the assistant settings, link it to the phone number you created
 
-   Now when someone calls your Plivo number, the call will be routed to your Vapi assistant.
+   Now when someone calls your Plivo number, the call will be routed to your Vapi assistant.