InterhackerspacePBX: Difference between revisions

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=== Background ===
=== Background ===
Rob was in hanging out at Noisebridge in SF in December 2014 and saw the notice above posted there, sent me a picture and I got in contact with the Noisebridge folk, and now we're getting all excited.  This is fun. [[User:Mousetad|Mouse]] ([[User talk:Mousetad|talk]]) 11:00, 5 December 2014 (UTC)
Rob (Sideshow) was in hanging out at Noisebridge in SF in December 2014 and saw the notice above posted there, sent me a picture and I got in contact with the Noisebridge folk, and now we're getting all excited.  This is fun. [[User:Mousetad|Mouse]] ([[User talk:Mousetad|talk]]) 11:00, 5 December 2014 (UTC).
 
=== Hardware ===
* 2 x [http://www.sabre-roads.org.uk/wiki/images/thumb/9/9e/A82_Brachla_phone.jpg/170px-A82_Brachla_phone.jpg Emergency Roadside Telephones] from Michael E. These devices have no number pad, but we should be able to have them auto-dial numbers by playing DTMF when the receiver is lifted.  Matt Lloyd is also looking at wiring in some number selectors so different dial-on-lift numbers could be selected.
* 1 x BT Payphone [http://www.telephonesuk.co.uk/images/large/payphone_500.jpg offered by Phil Parry]. This would presumably live in the studio, attached to one of the supporting columns.
* FXO adapter card (don't yet have)
* Raspberry Pi
 
=== Architecture ===
First concepts involve running an instance of [http://www.asterisk.org/ Asterisk] somewhere. To hook up analog devices like the payphone and ERT's, we'd need an FXO adapter card somewhere, so Asterisk would probably have to run on some sort of always-on PC with a PCI slot (since multi-port FXO cards tend to be PCI). An alternative to this might be to use an RPi with USB soundcard to convert analog signals into SIP calls which could connect to the Asterisk instance.
 
Asterisk can connect calls between different devices at the space (extensions), and make outgoing calls to external destinations over the Internet by using some prefix for "outside line", e.g. dial 9 for external numbers.
 
Asterisk can also handle incoming calls from other spaces (e.g. Noisebridge or general SIP calls over the net), either directing them to the payphone, voicemail or an IVR system which we can have a lot of fun making very silly.


=== See Also ===
=== See Also ===

Revision as of 12:25, 6 December 2014

Interhackerspace PBX Project

The Interhackerspace PBX starts here.

Our Goal: Every hackerspace in the WORLD reachable via Voice-Over-IP network

Background

Rob (Sideshow) was in hanging out at Noisebridge in SF in December 2014 and saw the notice above posted there, sent me a picture and I got in contact with the Noisebridge folk, and now we're getting all excited. This is fun. Mouse (talk) 11:00, 5 December 2014 (UTC).

Hardware

  • 2 x Emergency Roadside Telephones from Michael E. These devices have no number pad, but we should be able to have them auto-dial numbers by playing DTMF when the receiver is lifted. Matt Lloyd is also looking at wiring in some number selectors so different dial-on-lift numbers could be selected.
  • 1 x BT Payphone offered by Phil Parry. This would presumably live in the studio, attached to one of the supporting columns.
  • FXO adapter card (don't yet have)
  • Raspberry Pi

Architecture

First concepts involve running an instance of Asterisk somewhere. To hook up analog devices like the payphone and ERT's, we'd need an FXO adapter card somewhere, so Asterisk would probably have to run on some sort of always-on PC with a PCI slot (since multi-port FXO cards tend to be PCI). An alternative to this might be to use an RPi with USB soundcard to convert analog signals into SIP calls which could connect to the Asterisk instance.

Asterisk can connect calls between different devices at the space (extensions), and make outgoing calls to external destinations over the Internet by using some prefix for "outside line", e.g. dial 9 for external numbers.

Asterisk can also handle incoming calls from other spaces (e.g. Noisebridge or general SIP calls over the net), either directing them to the payphone, voicemail or an IVR system which we can have a lot of fun making very silly.

See Also