Skip to main content
Removes a previously registered event listener.

​
Signature

client.off<T extends EventName>(event: T, callback: EventCallback<T>): this;

​
Parameters

ParameterTypeDescriptionRequired
eventEventNameThe name of the event to stop listening for.Yes
callbackEventCallback<T>The callback function to remove.Yes

​
Returns

this — the client instance, allowing method chaining.
You must pass the same function reference that was used with on(). Anonymous functions can’t be removed.

​
Example

const onAnswered = (session) => {
  console.log('Call answered:', session.id);
};

// Subscribe
client.on('answered', onAnswered);

// Unsubscribe
client.off('answered', onAnswered);

​
More Information

Last modified on June 2, 2026