Cloud Based DID With a POTS Based Asterisk System
A while back I wrote about my experience setting up a business phone system with Asterisk, Polycom, and POTS. This system has been working fine over the last year, I’ve only had to dive in once or twice to fix a couple issues (which I’ll detail in a future post). However, recently someone using the phone system needed a Direct Inward Dial (DID) to their phone. I couldn’t find any concise walkthrough about how to set this up, so I’ve written down my processing in figuring this out. I knew Asterisk supported DID, and I found a guide that walked you through setting one up. If you using POTS for your calls and not a SIP trunk, DID gets tricky really fast…
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