From: Jiri Kuthan [mailto:jiri@iptel.org]
[snip]
PIN Lock -- use phones which can log-off and log-on (I'm not aware
of any now -- only 3com used to do that)
The snom 100 IP phones that we test with have a mode known as the "Logon
Manager" mode. It permits the phone to be registered and unregistered
as required. I think that fits the bill nicely.
http://snom.de/
Cheers,
Alan
alan[at]jasomi.com