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- FREE Callshop Software
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- Mobile VoIP
- Gatekeepering
- H.323 VoIP Gateway
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- Linksys
- VSR Systems
- Voip Switch
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.
i3 Networks
i3 Voice & Data, Inc. d/b/a i3 networks was founded to provide a single point of contact for efficient and affordable telecommunications and data solutions for carriers and enterprise.
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