mature VoIP equipments manufacturer in China
Since its founding in 2005, Telesail Technology has established its reputation as a top equipment provider of innovative last-mile access and aggregation solutions in the telecommunications market. Telesail offer a full line of VoIP products including IP-PBX series, VoIP Access Gateways, Trunking gateways, VoIP Phones and network products. also we provide VoIP systems and solutions for Call cener, Hotel, Office IPPBX, Service providers
Internet Solutions Alliance Inc., in Ontario, Canada, is an international communication provider over a foremost Voice over Internet Protocol (VoIP) technology. Using an existing high-speed Internet connection, ISAs technology enables anyone to make and r
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