Global Direct Telecom United States

Global Direct Telecom connects incumbent and mobile operators in Africa, the Asia/Pacific, the Middle East and Latin America to the major telecommunications hubs of North America and Europe.

Global Direct Telecom connects incumbent and mobile operators in Africa, the Asia/Pacific, the Middle East and Latin America to the major telecommunications hubs of North America and Europe.Global Direct Telecom combines state-of-the-art Voice-over-IP (VoIP) technology with outstanding customer care to ensure that advanced telecommunications services are accessible anywhere on the planet.Contact us to learn how Global Direct can help your company connect, network and partner to achieve success in the dynamic international telecommunications industry.

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General office

Global Direct Telecom
950 Massachusetts Avenue
Cambridge
MA ,2139
United States

Phone: +1 310 980 8150

International VoIP Wholesale Provider

Phone To Phone
Gatekeepering
PC to Phone
Termination
Partnering for Origination and Termination

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PSTN Services

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Providers in database: 6433

VoIP Favors SIP

Session Initiation Protocol (SIP) is a text-based standard put in place by the Internet Engineering Task Force (IETF) and is the primary protocol for Voice over Internet Protocol services. SIP is similar to a MGCP in that it's a signaling protocol that can create, maintain and terminate sessions in IP-based networks. These sessions include multimedia conferencing and two-way phone calls. SIP protocol can run on User Datagram Protocol (UDP), Stream Control Transmission Protocol (SCTP) and Transmission Control Protocol (TCP) because it was created to function independently from the underlying Transport Layer as an Application Layer.

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