NEC Univerge SV8100 Features And Specifications Manual page 1036

Issue 7.0
The @ can be entered in the dial string of a DSS/One Touch button. The @ only applies to

ISDN and Intercom calls. When using the @, the system waits for the destination to answer
(answer supervision), and then sends the rest of the digits.
Entering a P (pause) in a DSS/One Touch dial string can be used for CO calls, Intercom

calls, or after the @ for ISDN calls.
ARS with Max Digits is not supported when entering the @ or a P (pause) in the dial string

of a DSS/One Touch button.
Default Setting
None
System Availability
Terminals
All Multiline Terminals and DSS Consoles
Required Component(s)
None
Related Features
Programmable Function Keys
Transfer
2 - 1008
UNIVERGE SV8100
One-Touch Calling