U&M Network Canada

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General office

U&M Network
720-700 Ontario ST
Toronto
ON ,M4X1N2
Canada

Phone: +1-416-324 8066
Phone: +1-801-406 5180
Site: http://www.mutualphone.com

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

Phone To Phone
Phone To PC
PC to Phone
IP devices
Collaboration
Termination
Billing Software
Call Relay VoIP Solutions
H.323 VoIP Gateway
System Integration
Consultancy Services
Installation and Support Services
H.323 Softswitch & CPE
SIP Softswitch & CPE

Cisco Systems
Quintum

Billing system of own development
Java Based own system

Onlinetel Corp

InstaServ Inc.

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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