Digium the company behind Asterisk. Asterisk is most widely used Open source Telephony and VoIP application platform. Asterisk is used in all sizes of companies and call centers. Digium manufacturers Asterisk cards, IP Phones, Gateways and Asterisk appliances. Nethawk is Digium onlune store to cover Pakistan market.
Dinstar Technologies Co. Ltd. is an industry leading manufacturer specializing in VoIP solutions and IP voice value-added services. Since its establishment 10 years ago, Dinstar has grown to occupy 80% of the ISP VoIP market in China, with annual revenues of around $20M USD
DrayTek is a manufacturer of broadband equipment, including firewalls, VPN devices, routers and wireless LAN devices. Wikipedia
Fanvil is a fast growing technology company and concentrated in Development, Production, and
Distribution of VoIP Products Fanvil’s Headquarter, Technology Center, and Production are located in Shenzhen City, as well as R&D Department in Beijing. And there is a Southeast Asian Office in Selangor, Malaysia Fanvil Technology now is growing and has around 100 Employees, 50% of which are dedicated
Research and Development of IP Communication Technologies