5.3 PRE-DIALING:
Intercom units have the possibility to pre-dial extensions before going offhook.
Idle
S
Dial the extension number
U
Unhook the handset / ACT key
U
Call tone
......Conversation
Replace the handset
U
Jotron AS| Phontech 6200: User handbook EXTENDED OPERATION OF
INTERCOM UNIT: 61xx
P/N: 87477 (v.B)
Page 12