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Configuring Polycom 321 IP Phones With a Plantronics CS510 Wireless Headset

98% of my work is software engineering and web development but sometimes I get pulled into troubleshooting random internal IT issues. One of these was building a small business phone system. Recently it was setting up a wireless headset for the Polycom 321 IP phones. Sounds easy, right? Nope. VOIP systems are not well documented and seem to suffering the same fate as router hardware. All the innovation in the VOIP is in the cloud, on the hardware side there is a lot of progress to be made. So, for all those who just need to get their wireless headset to work: Hardware CS510 – The wireless headset EHS APP-51 – The adaptor Plantronics adaptor for the Polycom phone…

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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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