 This article provides a complete overview of how enterprises can integrate with Exotel’s Virtual SIP Trunking (vSIP).  It includes configuration options (TCP, TLS, FQDN), onboarding steps, best practices, and supported use cases.

Master Guide

 This article provides enterprise customers with technical steps to integrate Exotel’s Virtual SIP Trunking (vSIP) in Alpha with your PBX, SIP server, or SBC over TCP (Mumbai PoP).  It outlines configuration practices, header formats, best practices, and validation techniques.

Exotel Virtual SIP Trunking – TCP (Mumbai)

 This article provides technical integration steps for enterprise customers setting up Exotel’s Virtual SIP Trunking (vSIP) over TLS via the Mumbai PoP.  It includes configuration guidelines, SIP headers, and best practices for secure SIP-based PSTN interconnects.

Exotel Virtual SIP Trunking – TLS (Mumbai)

 This guide outlines how to integrate Exotel’s Virtual SIP Trunking (vSIP) with your voice application flow (e. g.

Exotel Virtual SIP Trunking to Flow Integration Guide

 API https //github. com/exotel/exotel-vsip-trunk-Configuration-API https //github.

Trunk Configuration APIs

 Voice AI and Contact Center (CC) platforms often operate robust SIP-based (vSIP) infrastructures for AI-led and agent-assisted conversations.  However, they typically lack direct access to India’s PSTN (landline and mobile networks) due to licensing and regulatory restrictions.

Flow and API Configuration Guide for Voice AI & Contact Centre Platforms

 This support article explains how to configure Exotel’s Virtual SIP Trunking (vSIP) using Fully Qualified Domain Name (FQDN) based trunking instead of fixed IPs.  It details how the FQDN-based approach works, when it should be used, and why it offers benefits in enterprise-grade SIP deployments.

vSIP Configuration