====== FreePBX ======

===== Requirements =====
  * DuVoice version 6.01.21 or above.
  * SIP address contains extension number. Example: <sip:3320@129.168.1.1>

===== Features =====
^ Feature ^ Description ^
| Class of service | No - must use DuVoice API |
| Direct calls | Yes |
| DND | No |
| Forwarded calls | Yes, with special CID prefixing. |
| MWI | SIP Notify directly to phones that support "anonymous SIP notification" |
| Name changes | No - must use DuVoice API |

===== PBX Configuration =====
In this example the DuVoice system is located at IP address 192.168.100.101 and we will be using 2000 as our trunk extension.

==== Connectivity / Trunk ====
Create a new SIP (chan_sip) Trunk.

{{:images:pbx:asterisk:freepbx:freepbx-trunk-01.png?direct|}}

{{:images:pbx:asterisk:freepbx:freepbx-trunk-02.png?direct|}}

==== Connectivity / Outbound Route ====

{{:images:pbx:asterisk:freepbx:freepbx-route-01.png?direct|}}

{{:images:pbx:asterisk:freepbx:freepbx-route-02.png?direct|}}

==== Applications / Extensions ====
For all extensions using the DuVoice as their voicemail, voicemail should be disabled and the following should be entered for Optional Destinations.

{{:images:pbx:asterisk:freepbx:freepbx-extension-options-01.png?direct|}}