Voice over Internet Protocol

A Domestic Home VolP User VolP PBX The Internet Firewall Сompuler & VolP Software VolP Gateway Service Provider Computer & VolP Software A Corporate VolP P8X VolP Phone Firewall VolP PBX Conventional Telephone Exchange (BT / NTL/AT&T etc) FXO Device VolP <> POTS Gateway Соrventional FXS Device Diagram Guide Anagloue Phone > VolP Bridge (Can also be integrated into the VolP PBX) Telephone Štandard Ethemet TCPIP Network Internet TCP/IP Link The Real World Intemal Analogue Phone Line FXS Device Anagloue Phone > VolP Bridge Extemal Analogue POTS Line Conventional Fax