Caller ID Blocking

To block the Caller Name and ID for the next outbound call.

Feature is available to Nortel phones only.

To activate Caller ID Blocking

Phone Type Steps Notes
Nortel phone with Feature key 1. Press the Feature key followed by the feature code 819. Once any outbound call is made, the feature is automatically deactivated.
​This feature has no effect on internal calls.
Nortel phone with Services key 1. When idle, press the Services key and use the navigation keys to scroll down to CID blocking.
2. Invoke the feature.
 

To cancel Caller ID Blocking

Phone Type Steps Notes
Nortel phone with Feature key 1. Press the Feature key followed by the feature code #819. Once any outbound call is made, the feature is automatically deactivated.
This feature has no effect on internal calls.
Nortel phone with Services key 1. When idle, press the Services key and use the navigation keys to scroll down to CID blocking cancel.
2. Invoke the feature.