AS Feature Events

The patch also enables support for Do Not Disturb and Call Forward synchronization using Application Server Feature Events (open_in_browser ECMA-323). Listed below are the per-vendor configuration options required.

You do not need to make any changes in sip.conf to enable this feature.

Polycom link

<polycomConfig>
  <reg ... reg.1.serverFeatureControl.cf="1" reg.1.serverFeatureControl.dnd="1" />
  ...
</polycomConfig>

Cisco SPA and Multiplatform Firmware link

<flat-profile>
  ...
  <Feature_Key_Sync_1_>Yes</Feature_Key_Sync_1_>
</flat-profile>

SNOM link

<settings>
  <phone-settings>
    ...
    <dfks>on</dfks>
  </phone-settings>
</settings>

Aastra link

...
sip line1 as-feature-event subscription: 1

Yealink link

...
bw.feature_key_sync = 1

<proxy>