Recorded messages that begin with phrases such as, or similar to, “the number you are trying to call” are known as intercept messages. Phone service providers use them to notify callers that a number is disconnected.
Intercept message service is available to landline and cellular customers, but it varies by provider. In general, standard messages for both indicate only that the number is out of service. For an additional fee, customers can include a new number in the intercept message, or the message can inform callers that a new number is unlisted. Customized messages are available for landlines and some cell phones, depending on the provider. Intercept messages are also used to notify callers of network congestion and whether they are using an incorrect area code.