Toshiba Telephone IP-5000 Series Telephone Toshiba Telephone IP-5000 Series Telephone Telephone Toshiba
Alcatel Carrier Internetworking Solutions One Touch 500 Telephone Alcatel Carrier Internetworking Solutions One Touch 500 Telephone Telephone Alcatel Carrier Internetworking Solutions
Aastra Telecom AastraLink RP 500 Telephone Aastra Telecom AastraLink RP 500 Telephone Telephone Aastra Telecom
British Telecommunications (BT) Telephone 500 Telephone British Telecommunications (BT) Telephone 500 Telephone Telephone BT