A2ZONE Bangladesh

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General office

A2ZONE
Dhaka
Dhaka
,1205
Bangladesh

Phone: 8801712004939

Contact Person

Arif Chowdhury / CEO
Phone: 8801712004939

Hosted VoIP billing service provider
International VoIP Wholesale Provider
VoIP Billing Software Provider
Voip consulting

Billing Software
Call Routing VoIP Solutions
Consultancy Services
E1 Bulk Wholeseller
H.323 Softswitch & CPE
Outsourced Billing
Partnering for Origination and Termination
Project Mangement Services

Cisco Systems
Quintum

another
Billing system of own development

A2ZONE

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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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