I took down my 551 Weco shoebox a few years back. I used it as a test. It had the RT melco intercom buzzers and all that good stuff. As I look back you needed the 105 ring generator for diode selective ringing.
Visit Atcom to get started with your new business VoIP phone system ASAP
Turn up is quick, painless, and can often be done same day.
Let us show you how to do VoIP right, resulting in crystal clear call quality and easy-to-use features that make everyone happy!
Proudly serving Canada from coast to coast.