How SIP Trunk Providers Work: A Simplified Explanation

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2025-02-11 10:19:43

SIP trunks are virtual phone lines that allow businesses to connect their on-premises PBX system to the public switched telephone network (PSTN) using the Session Initiation Protocol (SIP). They offer a flexible and cost-effective alternative to traditional analog phone lines. Here's a breakdown of how SIP trunk providers work: Connection: Your PBX system connects to the SIP trunk provider's...

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