Talk Telecom China
- International VoIP Wholesale Provider
- Voip Termination ISP
- Call Routing VoIP Solutions
- E1 Bulk Wholeseller
- Partnering for Origination and Termination
- PC to Phone
- Phone To PC
- Phone To Phone
- Termination
- Web Call
- Web To Phone
- Audiocodes
- Billing system of own development
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.
Vinculum Communications
Vinculum Communications, Inc. (Vincomm) is a San Diego, California-based, 214-licensed international long distance carrier, offering termination services to over 150 long distance carriers worldwide. The company`s services allow customers to enjoy the hig
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