Asterisk

Open-source PBX for SIP voice

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Episodes

#5378: SIP Speakers, Multicast, and the One-Way Page

How SIP one-way paging actually works — and why multicast turns 500 speakers into a single call.

Sep 20
#4841: How Global Roaming Actually Works (and What to Buy)

The plumbing behind international roaming and which eSIM plans actually deliver on their promises.

Aug 25
#180: Escaping the Carrier Trap

Tired of rigid phone plans? Discover how to bypass carriers using SIP and Twilio to build a custom voice architecture for your home or office.

Jan 6