Panoramisk / The VoIP druid 

Is the Chicago meeting room available? How many time a year do you ear this kind of question in your organization? On top, it is frequent you need a free meeting room for something not planned in advance and your are checking physically all the rooms in the building! In this article we present a solution, based on Asterisk, able to manage the free status of a meeting room with your PBX and line supervision feature.
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Phone line supervision is one of the great and mandatory tools for any enterprise telephony product. Asterisk is proposing this feature based on the SIP protocol tools but each phone (or softphone) is implementing it through a proprietary approach. In addition to the supervision the line pickup tool is important and sometimes not easy to configure.

It is generally simple to supervise a phone line with the SIP toolkit, but in order to pickup the line an interaction with the PBX is required: by hitting the button near the supervised line a call should be placed with a specific prefix. The Aastra 53i phone¹ is implementing this feature really easily and targeting the Asterisk solution. This article shows how simple it is to configure.
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1. and the whole 5i product line: 55i and 57i [↩]