Vertical Communications 8412S - Manual (Page 129)

NOTE: The dialing codes provided in this quick reference guide are
default values. Your system installer has the ability to
renumber these codes.
The following table details several unique dialing codes that are only
applicable to single line proprietary and industry-standard telephones.
Feature Enable Code
Pick Up Last Line
S 08
Broker’s Call
S 07
Speed Dial Access Code
S 01
Saved Number Redial
S 06
Dial Saved Number
S 09
TAP Dialing Code # #
Quick Reference – 5
GCA70–349 Quick Reference