ABP Technology is a leading distributor of VoIP and IP Communications products operating through a network of Value Added Resellers and Service Providers. Located in Dallas Texas, ABP Technology spans the United States, Canada, Mexico, Central and South America with sales, engineering consultation, training, product provisioning, configuration, fulfillment and tech support. ABP features a complete portfolio of VoIP solutions with endpoints, network products and software platforms and applications.

ADTRAN, Inc. is a leading global provider of networking and communications equipment, with a portfolio of more than 1,600 solutions for use in the last mile of today's telecommunications networks. Widely deployed by carriers and enterprises alike, ADTRAN solutions enable voice, data, video, and Internet communications across copper, fiber, and wireless network infrastructures. ADTRAN solutions are currently in use by every major U.S. service provider and many global ones, as well as by thousands of public, private and governmental organizations worldwide.

Ingate® Systems develops firewall technology and products that enable SIP Trunking for the enterprise while maintaining control and security at the network edge. The Ingate Firewall® solves the NAT/firewall traversal issue inherent in SIP communications in an integrated security appliance. In addition the company also produces the award-winning Ingate SIParator®, a device that connects to an existing network firewall to seamlessly enable SIP communications.