Vietnam Datacommunication Company (VDC) Vietnam

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General office

Vietnam Datacommunication Company (VDC)
Internet building, ThangLong International Village, CauGiay district
Hanoi
Hanoi ,10000
Vietnam

Phone: 84904574713

Contact Person

Phan Nguyen / Expert of VoIP service
Phone: 84904574713

International VoIP Wholesale Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
Network Service Provider
Voip consulting

Call Relay VoIP Solutions
Call Routing VoIP Solutions
Consultancy Services
Data Conferencing
Installation and Support Services
PC to Phone
Phone To PC
Phone To Phone
Voice and Video Conferencing

Cisco Systems

Billing system of own development

Vietnam Datacommunication Company (VDC)

CIT

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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