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Support: 800 - 756 - 2236

Sales: 203-349-4915

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VOIP Services

Alliance utilizes high quality Tier 1 carrier platforms for SIP termination of traffic from our customers which we aggregate through the Alliance switches. Our technicians monitor system performance metrics on a continual basis and can provide feedback on our customers traffic profiles.

Termination

  • SIP Service
    For customers based in the continental US, who require the establishment of voice over internet protocol (“VOIP”) connectivity for long distance call termination, Alliance utilizes high quality Tier 1 carrier platforms for SIP termination. Services include AT&T Voice Over IP Connect Service (“AVOICS”) and Verizon “SIP Gateway Outbound Service” for transporting VOIP between IP networks and the Public Switched Telephone Network (PSTN).

SIP DIDs

  • SIP DIDs
    Through our Tier 1 provider’s network, SIP DIDs  offer local calling, directory listings, directory assistance, operator services, E-911 access, and long distance transport.

Toll Free/Inbound

  • Toll Free (Inbound) SIP Service
    SIP Toll Free origination with termination to a Tier 1 carrier providing advanced features for various customer applications.

International

  • Termination through Tier 1 carrier’s SIP platform
    SIP termination of international calls utilizing IP connectivity is available through our Tier 1 carriers extensive global network.

All Products   All Services  

For over 18 years, Alliance has been a go-to provider of Tier 1 quality network services. We are known for our customer service and ease of doing business.
~Jess DiPasquale, CEO

Our Mission

Alliance will connect, customize and control your voice and data needs on the highest quality network in the world, while providing the most efficient rates to meet your long term profitability.

Our Support Services

We make it easy to do business with the Major Tier 1 carriers!

  • No-hassle provisioning
  • Simplified contract
  • Aggressive rates
  • Dedicated account team
  • 24/7 support
  • Fraud monitoring tools

Mission Statement

Alliance will connect, customize and control your voice and data needs on the highest quality network in the world, while providing the most efficient rates to meet your long term profitability.

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Contact Us

  • Location: Westport CT, 1221 Post Road East
  • Phone: 800-756-2236
  • Fax: 203-221-8705
  • Support: support@alliancegrp.com

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