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Call forwarding on no reply to an exchange#

Toggles the pbx-setting which redirects all incoming calls to a specific number after they were ringing for some time without answer. Only for calls that arrive via a specific exchange line.

Uses feature-code: ##96 + exchange + #*61* + target + # + extention to activate forwarding and ##96 + exchange + ##61# + extention to deactivate.

Also creates a sip-subscription to the feature-code to fetch the state of this feature from the pbx.

  • green when Call forwarding is enabled to the target on the provided exchange
  • off when Call forwarding is disabled to the target on the provided exchange
  • solid orange on error, e.g. when sip dialog subscription to the feature-code did not work
  • orange blinking when subscription is being (re-)established


The current template itself for this key-type can be found here.


The key-type has the following parameters:


The identity the key is tied to. Only active identities can make calls or send sip-subscriptions.


The exchange line access number (account number) that identifies the exchange.


The target where forwarded calls are redirected to.