February 18, 2026
ARPHost
A Guide to SIP Trunk VoIP for Modern Businesses
If you've ever dealt with a traditional business phone system, you know the drill: bulky hardware, a mess of copper…
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Latest news, tutorials, and updates from ARPHost
November 15, 2025
ARPHost
How Do SIP Trunks Work: A Technical Guide for IT Professionals
At its core, SIP trunking works by replacing legacy physical phone lines (like PRI circuits) with virtual voice channels that…
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November 12, 2025
ARPHost
Understanding DID Numbers and How They Power Modern Voice Infrastructure
What Are DID Numbers Explained From a technical standpoint, a DID (Direct Inward Dialing) number is a virtual phone number…
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