Patent attributes
Methods, systems, apparatus including computer program products having instructions for porting numbers are provided. In one example system and method, a vPBX system can receive a request from a user to port an existing phone number to the vPBX system. The vPBX server can identify a porting authentication template, based on the requirements of an existing service provider. The vPBX server generate a fax document on the retrieved template. The vPBX server can populate the generated fax document with user information. The vPBX server can receive a user's hand signature from a touch-screen interface of a mobile device. The vPBX server can authenticate the fax document with the received signature, and transmit the authenticated fax document to the existing service provider. The vPBX server can provide the user with a temporary line number with forwarding functions until porting is completed.