Frontier International Co., Ltd China

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General office

Frontier International Co., Ltd
Room 1712, Floor 17 Post Tower, No.2899 Zhangyang Road, Pudong Shanghai
Shanghai
,200136
China

Phone: +86 21 38710096
Site: http://www.frontiercorp.com.cn

Contact Person

Melody Guo / Sales
Phone: +86 21 38710096

Hardware
International VoIP Wholesale Provider
Internet Telephony Service Provider
Network Service Provider
SIP Billing
VoIP Billing Software Provider
Voip consulting

Billing Software
Collaboration
Installation and Support Services
IP devices
SIP Softswitch & CPE
SIP VoIP Gateway
System Integration

Dialogic Based

Billing system of own development
IP Phone

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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.

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