Additional Millennium Photos

[digitone]

https://mega.co.nz/#!St4V3DrK!0tBJBnwTbSrLnR21OTR3_ecefQp5T9vlYhzaWMftnMQ

[digitone]

https://web.archive.org/web/20060210103740/http://www.stromcarlson.com/payphones/lsvgnv016.jpg
This one most likely had ADSI support and features an 11 line VFD.

[digitone]

http://www.virtualmuseum.ca/sgc-cms/histoires_de_chez_nous-community_memories/CommunityMemories2/AEID/0001/image/original/AEID00010094.jpg

[pc-coholic]

That last one seems to be the Inmate-version... I really don't see why they chose to use a different hardware-base for this series... But there is certainly a good story (or a lot of money) behind that decission ;-)

[pc-coholic]

This patent outlines some of the ADSI-stuff by Nortel: http://www.google.com/patents/US6163598

[digitone]

The Vista 350 residential phone had the same button layout and an LCD screen instead of VFD. I wouldn't be surprised if they shared some software code or firmware!

[samueltc]

The Vista 350 was ADSI compatible and you could access ADSI "Services".