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Supporting VoIP Service Providers in over 66 countries, IPsmarx Technology has been providing feature rich VoIP solutions since 2001. Their Class 4 & 5 Softswitch Solutions, SIP Based Calling Card Platform, and Multi-Tenant IP-PBX Platform with integrated billing have earned them worldwide acclaim.

Address
11710 Plaza America Drive Suite 2000
Reston, VA 20190
Phone
703-871-5273