By coupling the functionality of an Internet Telephony function in a personal computer, an Internet Voice Gateway, and a small-office/home-office (SOHO) private branch exchange (PBX), and through inventive coordination of the functions of these units, a SOHO telecommunications system and method are realized...http://www.google.fr/patents/US6167043?utm_source=gb-gplus-shareBrevet US6167043 - Method and system for small office and home office telephone private branch exchange allowing simultaneous data and voice communications
Method and system for small office and home office telephone private branch ...
