Session border controllers & SIP Firewalls and NATs

CounterPath Corporation is a leading provider of innovative desktop and mobile VoIP software products and solutions. The Company’s product suite includes SIP-based softphones, server applications and Fixed Mobile Convergence (FMC) solutions that enable service providers, enterprises and Original Equipment Manufacturers (OEM) to cost-effectively integrate voice, video, presence and Instant Messaging (IM) applications into their VoIP offerings and extend functionality across both fixed and mobile networks.