Digicall United States

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General office

Digicall
11765 West Ave. Unit 209
San Antonio
Texas ,78216
United States

Phone: +1 603-966 6961
Site: http://www.digicallme.com

Hosted VoIP billing service provider
International VoIP Wholesale Provider
Internet Telephony Service Provider
SIP Billing
VoIP Billing Software Provider
Voip Termination ISP

Billing Software
Call Relay VoIP Solutions
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
PC to Phone
Phone To PC
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
Termination
Web Call
Web To Phone

Quintum

AA VoIP Enabler
another

Nuvio Corporation

Voice.sky Communications

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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