Telecall Japan KK Japan
Point of Presence in JAPAN, Philippines, Brazil, USA, Uk, Portugal and Hong Kong
Gatekeepering, H.323 VoIP Gateway, Partnering for Origination and Termination, PC to Phone, Phone To PC, Phone To Phone, SIP VoIP Gateway, Termination, Web Call, Web To Phone
General office
Telecall Japan KK
Koto Ku Umibe 11-2 Telecall Tokyo Bldg 3F
Tokyo To
Tokyo ,135-0012
Japan
Phone: +81-3-6659-8259
Phone: +81-90-7674-9298
Site: http://www.telecall.jp or www.telecallnet.com
Contact Person
Yamana Veridiana / Account carrier manager
Phone: +81-52-9796165
Phone: +81-90-7674-9298
Telecall Japan KK
Koto Ku Umibe 11-2 Telecall Tokyo Bldg 3F
Tokyo To
Tokyo ,135-0012
Japan
Phone: +81-3-6659-8259
Phone: +81-90-7674-9298
Site: http://www.telecall.jp or www.telecallnet.com
Contact Person
Yamana Veridiana / Account carrier manager
Phone: +81-52-9796165
Phone: +81-90-7674-9298
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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.
Thucatel Incorporated
Thucatel is an Information and Telecommunications Technology services company. Thucatel is committed to providing you with a business-critical data, voice, network and security infrastructures, with an emphasis on service quality and the deployment of hig
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