A system and method for providing telephony services, such as caller ID, voice mail, selective call forwarding, and the like, to a remote subscriber, typically located outside the providers regional territory. The system can include customer premise equipment (CPE) selectively connectable to a remote...http://www.google.es/patents/US7272221?utm_source=gb-gplus-sharePatente US7272221 - System and method for providing telephony services to remote subscribers
System and method for providing telephony services to remote subscribers
