---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/global-infrastructure/localized-uris/interconnect-termination-uris#article
headline: Interconnect Termination URIs
description: List of private SIP Trunk Termination URI domains for each Twilio Interchange Edge Location
url: https://www.twilio.com/docs/global-infrastructure/localized-uris/interconnect-termination-uris
inLanguage: en
dateModified: 2026-07-20T14:57:59.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# Interconnect Termination URIs

Twilio Interconnect provides a private SIP Trunk Termination URI for each Interconnect Edge Location. Point your communications infrastructure to the Termination URI for the Edge Location that is closest to you.

## Termination URIs

| Termination SIP URI                      | Interconnect Exchange               |
| :--------------------------------------- | :---------------------------------- |
| `{example}.pstn.ashburn-ix.twilio.com`   | Ashburn, Virginia, United States    |
| `{example}.pstn.san-jose-ix.twilio.com`  | San Jose, California, United States |
| `{example}.pstn.london-ix.twilio.com`    | London, United Kingdom              |
| `{example}.pstn.frankfurt-ix.twilio.com` | Frankfurt, Germany                  |
| `{example}.pstn.singapore-ix.twilio.com` | Singapore                           |
| `{example}.pstn.tokyo-ix.twilio.com`     | Tokyo, Japan                        |
| `{example}.pstn.sydney-ix.twilio.com`    | Sydney, Australia                   |
| `{example}.pstn.sao-paulo-ix.twilio.com` | São Paulo, Brazil                   |

## Legacy Termination URIs

| Termination SIP URI                | Interconnect Exchange               |
| :--------------------------------- | :---------------------------------- |
| `{example}.pstn.us1-ix.twilio.com` | Ashburn, Virginia, United States    |
| `{example}.pstn.us2-ix.twilio.com` | San Jose, California, United States |
| `{example}.pstn.ie1-ix.twilio.com` | London, United Kingdom              |
| `{example}.pstn.de1-ix.twilio.com` | Frankfurt, Germany                  |
| `{example}.pstn.sg1-ix.twilio.com` | Singapore                           |
| `{example}.pstn.jp1-ix.twilio.com` | Tokyo, Japan                        |
| `{example}.pstn.au1-ix.twilio.com` | Sydney, Australia                   |
| `{example}.pstn.br1-ix.twilio.com` | São Paulo, Brazil                   |