VOIPfonie Netherlands
- Hardware
- Internet Telephony Service Provider
- Internet VoIP and Video Conferencing Service Provider
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- Installation and Support Services
- PC to Phone
- Phone To PC
- Phone To Phone
- SIP VoIP Gateway
- System Integration
- Voice and Video Conferencing
- Web Call
- Web To Phone
- Audiocodes
- grandstream
- another
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.
ZGroup
Z ITSP empowers people to communicate to and from anywhere at the finest quality price mix. Z ITSP operates around the clock and around the globe creating one of the most advanced marketing and distribution channels to promote communication services and p
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