GSM Central Limited United Kingdom

We are leading provider of managed gsm gateway services to corporate clients. Our solutions are altogether different, we use the latest technology from proven suppliers to help higher end businesses achieve significant savings on their telecoms spend.

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General office

GSM Central Limited
Oxford Centre for Innovation
Oxford
Oxfordshire ,OX2 0JX
United Kingdom

Phone: +44 845 658 0950
Site: http://www.gsm-central.co.uk

Contact Person

Andrew Styles / Director of Sales & Marketing
Phone: +44 845 658 0950

International VoIP Wholesale Provider
Internet Telephony Service Provider
Voip Termination ISP
Network Service Provider
Voip consulting

Phone To Phone
Phone To PC
Gatekeepering
PC to Phone
IP devices
Termination
H.323 VoIP Gateway
Consultancy Services

Quintum

Billing system of own development

Unifast Information

Citrus Telecommunications Ltd

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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