ADSI-compatible Equipment
U S West Communications, the first local RBOC to offer this service, marketed it as "Home Receptionist" service. Home Receptionist service included a Nortel Powertouch (or Vista) 350 screen-based telephone and "line-provisioning" service to make it work. This service is still offered by Qwest Communications (the successor to US West), BellSouth and SBC Communications; though the service has different marketing names.
Nortel discontinued the x5x telephone line and introduced a more streamlined version called the 39x-line and then later the 48x-line in 1998. CIDCo and Cybiotronics later introduced their own lines of screenphones after the original Nortel Patent expired.
Nortel sold off its CPE line to Aastra Technologies in 1999 and Aastra continues to market these telephones through various channels.
PHILIPS Austria manufactured a Screen Phone model called the P100. It was sold throughout the US and several European countries.
Read more about this topic: Analog Display Services Interface
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