Call Forward
Directs incoming calls for the extension

- To access call routing goto Accounts > click the edit pencil icon
on the right of the extension

- Click CALL FORWARD on the top right
Call Forward and Do No Disturb
This will allow phones to sync CFWD and DND over SIP.
A few things need to be configured to enable this feature and restart
freeswitch:
Uncomment this line in lua.conf.xml.
<hook event="PHONE_FEATURE_SUBSCRIBE" subclass="" script="app.lua feature_event"/>
Add to Default Settings:
Category = device
Subcategory = feature_sync
Type = boolean
Value = true
Enable Feature Sync on the Device
Yealink
- Web Interface -> Features -> General Information -> Feature Key Synchronization set to Enabled
- Config Files -> features.feature_key_sync.enable
- Might be addition settings needed for the latest firmware. I tested with 81.0.110
- FusionPBX Default Settings -> Provision -> yealink_feature_key_sync
Polycom
- reg.{$row.line_number}.serverFeatureControl.cf="1"
- reg.{$row.line_number}.serverFeatureControl.dnd="1"
- FusionPBX Default Settings -> Provision -> polycom_feature_key_sync
Cisco SPA
- Yes
- FusionPBX Default Settings -> Provision -> spa_feature_key_sync
Grandstream GXP and GRP
- Web Interface -> Accounts -> Account X -> SIP Settings -> Advanced Features -> Feature Key Synchronization
- Config file P2325
- FusionPBX Default Settings -> Provision -> grandstream_feature_key_sync