Gartner Research

How to Use SIP Trunking to Attain High-Availability Voice

Published: 13 December 2013

ID: G00258456

Analyst(s): Sorell Slaymaker


Enterprises are migrating customer-facing traffic to SIP trunking to reduce cost and consolidate their unified communications infrastructures. Telecom managers can utilize SIP trunking to cost-effectively provide ultrahigh availability for critical voice services by using multiple carriers.

Table Of Contents
  • Key Challenges


  • Bottom Line


  • Adopt a Multicarrier Strategy
  • Move to Redundant Network Access Utilizing Session Border Controllers
  • Employ an Active/Active SIP Trunking Design for the Best Resiliency, Cost and Support Model
  • Become a RespOrg to Control Your Carrier Toll-Free Allocation

Gartner Recommended Reading

©2020 Gartner, Inc. and/or its affiliates. All rights reserved. Gartner is a registered trademark of Gartner, Inc. and its affiliates. This publication may not be reproduced or distributed in any form without Gartner’s prior written permission. It consists of the opinions of Gartner’s research organization, which should not be construed as statements of fact. While the information contained in this publication has been obtained from sources believed to be reliable, Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although Gartner research may address legal and financial issues, Gartner does not provide legal or investment advice and its research should not be construed or used as such. Your access and use of this publication are governed by Gartner’s Usage Policy. Gartner prides itself on its reputation for independence and objectivity. Its research is produced independently by its research organization without input or influence from any third party. For further information, see Guiding Principles on Independence and Objectivity.

Already have a Gartner Account?

Purchase this Document

To purchase this document, you will need to register or sign in above

Become a client

Learn how to access this content as a Gartner client.