Telecal United States

Telecall guarantees all types of carrier customers expanded reach, capacity, and quality. Telecall is a reliable partner to Carriers that need to deliver competitively priced connectivity around the globe.

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Telecal
60 Hudson
New York
,10013
United States

Phone: +1 866-297-0044

International VoIP Wholesale Provider
Internet Telephony Service Provider
Voip Termination ISP

Phone To Phone
Gatekeepering
Termination
Call Relay VoIP Solutions
Call Routing VoIP Solutions
Partnering for Origination and Termination
H.323 Softswitch & CPE

Cisco Systems
Clarent
Dialogic Based
VocalTec
Quintum
Nuera
Audiocodes
Huawei VoIP Products
CPM

IPCB.net
another
Telco Solutions Billing System

Telecal Telecommunications Corp.

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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