Optimize your voice and data network to work with the latest in unified communication and collaboration technology
SIP Trunking consolidates your voice and data network securely and efficiently into a single advanced IP network.
One provider who can support both your US & Canada locations.
Allstream stands behind our service: 100% uptime. Guaranteed.
How could SIP Trunking be set up for my business?
Why Choose Allstream?
Intelligent Trunk Pooling
Pool call capacity across all business sites to optimize trunk utilization, saving you money and optimizing call management during peak periods.
Advanced Failover Protection
Eliminate the risk of single points of failure, ensure high availability and gain immediate failover protection with our industry-leading Active-Active SIP Trunking configuration.
Local Number Portability
Seamlessly port any phone numbers with ease across the US and Canada along with flexible time of day porting.
Assign local DIDs to your business for wherever you do business in North America. Let customers call you locally, even if your business is located elsewhere.
Complete Set of Calling Features
Includes regulatory-compliant 911, call blocking, optional encrypted SIP, toll free numbers and more.
We make it easy.
Getting started with SIP Trunking is simple. We’ll ask you a few introductory questions, then get right to the options and pricing we think would work best for you.