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Telecom Canada
SIP Trunking Services
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Telecom Canada is a division of Telmaster Consulting Inc ® All rights reserved
The below diagram illustrates how SIP is conected with a an existing PSTN
Telco on-the-go
Today's phones
Session Initiation Protocol or SIP, is a connection service offered by an Internet
Telephony Service Provider or ITSP. The service connects a company's PBX system to an
existing telephone system infrastructure, or PSTN, via Internet using the SIP VoIP standard.