Telephone Number Sharing Configuration

A non-transitory computer-readable storage medium storing executable computer program instructions for providing telephone number sharing services, the computer program instructions comprising instructions for:

• maintaining a bank of reusable caller identifiers (IDs);
• receiving call details for a call to a called party from a subscriber of a call system, the call details including a caller identifier (ID) preference of the subscriber and a called number corresponding to the called party;
• storing the call details including the caller ID preference and the called number at the call system;
• determining whether the call from the subscriber is a first call to the called number;
• responsive to the call being the first call to the called number,
• assigning a caller ID from the bank of reusable caller IDs that satisfies the caller ID preference of the subscriber, and
• storing the caller ID assigned to the subscriber with the called number at the call system;
• responsive to the call not being the first call to the called number,
• retrieving a caller ID previously assigned to the subscriber with the called number stored at the call system;
• and
• connecting the call to the called number along with the caller ID assigned to the subscriber.

A system for providing telephone number sharing services, the system comprising:

• means for maintaining a bank of reusable caller identifiers (IDs);
• means for receiving call details for a call to a called party from a subscriber of a call system, the call details including a caller identifier (ID) preference of the subscriber and a called number corresponding to the called party;
• means for storing the call details including the caller ID preference and the called number at the call system;
• means for determining whether the call from the subscriber is a first call to the called number;
• means for responsive to the call being the first call to the called number,
• assigning a caller ID from the bank of reusable caller IDs that satisfies the caller ID preference of the subscriber, and
• storing the caller ID assigned to the subscriber with the called number at the call system;
• means for responsive to the call not being the first call to the called number, retrieving a caller ID previously assigned to the subscriber with the called number stored at the call system;
• and
• means for connecting the call to the called number along with the caller ID assigned to the subscriber.