AT&T today made its home phone product more appealing by adding a pre-paid option to the service. AT&T Wireless Home Phone lets homeowners port their old landline to AT&T's wireless network, allowing them to keep their home number, but use it as a wireless device. Wireless Home Phone costs $9.99 per month when added to an existing FamilyTalk plan, or $19.99 per month for unlimited nationwide calling. Wireless Home Phone handsets are free when purchased with a new two-year contract. The new pre-paid option, available beginning March 22, allows consumers to pay $99.99 up front for the Wireless Home Phone device, and then provides two calling plan options. The pre-paid plans offer unlimited domestic calling for $20 per month, and 1000 minutes of international calling to Mexico, Canada, and 50 other countries for an additional $15 per month. AT&T Wireless Home Phone includes voicemail, caller ID, and call waiting.