There’s more to voice communications than wires and clouds! Get the 411 on IP-PRI, SIP Trunking and Cloud PBX solutions with these expert-reviewed articles.

Shorthand for Session Initiation Protocol, SIP is a signaling protocol that allows users to make, receive, update and end a real-time “session.” Learn about SIP and how it can help your team be more efficient and secure.
TelNet Worldwide
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