20 Most Recent Aastra Telecom Aastra MDC Centrex Telephone Questions & Answers

Your provider will have to reset it for you. Phone them and ask for a reset. They may charge you a dollar or so. But that is the only way

Aastra Telecom... | Answered on Nov 06, 2013

Depending what system your provider is using it can either be done by you at home or they will have to set it. If you call your provider they will help you or they will fix it. Each ring is set at 6 second intervals so if you have 3rings that is 18 seconds. If you was 6 rings then ask for 36 seconds etc. hope this helps

Aastra Telecom... | Answered on Nov 06, 2013

I had the same problem b4 u have to hold down one of the buttons on the remote for 5 seconds by memory

Aastra Telecom... | Answered on Apr 07, 2010

If you haven't received an answer to your request, You can find the manual at the following url:


If it doesn't take you right to the correct page, enter M5316 in the search window and it should find it for you. I tried to upload the document but there was no way to do it. Hope this helps.

Aastra Telecom... | Answered on Nov 12, 2008

If that model phone has a rj14 jack ( standard phone jack) and when you plug it into a known good wall jack and you can draw dial tone then it will work. If not it requires a KSU to interface with the lines and that's a lot more equipment than you need for 1 or 2 lines. Thank you. Jer

Aastra Telecom... | Answered on Feb 17, 2008

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