It also blocks hand-held dialers and "hook-switch" or pulse dialing.
Provides 1 to 32 digit Touch Tone dialing on C.O. lines or analog PABX/KSU stations, and 1 and 4 second pauses as needed to use behind a PABX, access a pager from an alarm contact, etc.
Hot Dialer Hook Switch Pulse Dialing by Viking
Available from Amazon Price: $94.80
Updated on 2-10-2012.
