Roitel Telecommunications Turkey

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General office

Roitel Telecommunications
Mecidiyekoy
Istanbul
,34000
Turkey

Phone: +902122730808
Site: http://www.roitel.com.tr

did numbers provider
Hosted PBX Service Provider
Hosted VoIP billing service provider
International VoIP Wholesale Provider
Internet Telephony Service Provider
SIP Billing
VoIP Billing Software Provider
Voip consulting
Voip Termination ISP
Wholesale VoIP Carrier

Billing Software
Call Back
Call Relay VoIP Solutions
Call Routing VoIP Solutions
Call shop solution
gsm voip solutions
Hosted PBX
Hosted VoIP
IP devices
Outsourced Billing
Partnering for Origination and Termination
PC to Phone
Phone To PC
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
Termination
VoipSwitch
Web Call
Web To Phone

Audiocodes
Cisco Systems
Quintum

another
Billing system of own development
Custom Open Source Billing Solution

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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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