Analog display services interface
 | This article needs to be updated. (March 2018) |
Analog display services interface (ADSI) is a
The technology introduced in the United States and rolled out to
Some of those services did become available later, though, not at the dramatic increase the US-based telephone companies had hoped. Canadian telephone companies such as Telus and Bell Canada, however, had much better luck implementing more ADSI-based services with other industries such as banking, and were still marketing the service actively as of 2005.
The service is marketed at telephone customers who subscribe to the majority of
Additionally, a few RBOCs introduced new features such as
The RBOCs who offer this service also restructured their billing of these services into value-based "packages" to stimulate customer interest.
Compatible equipment
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.