Managing call list involves sending signal to caller indicating called subscriber's ability to store caller's number, which is only passed to called subscriber after being released by caller

摘要

The method involves sending a signal to the caller indicating the ability of the called subscriber to store the caller's telephone number in a call list and the caller's number is only passed to the called subscriber after being released by the caller. The called subscriber sends a confirmation signal to the caller after storing the caller's number in the call list. Independent claims are also included for the following: a telephone with a memory for managing a call list and an exchange with devices for passing the call number of a caller to the called subscriber.