Vertical Communications DSU II - Manual (Page 39)

Other Advanced Features
Line Groups
Some systems have telephone lines arranged into line groups that you use instead of
individual lines.
· To access a system line group,
1. LIFT handset AND PRESS
INTERCOM.
2. DIAL desired line group access code:
Line Group Access Codes
Line Group Default Code Active Code*
1
9
2
81
3
82
4
83
* If your system attendant has reassigned your line group access codes, write them
here for future reference.
3. LISTEN for outside dial tone.
4. DIAL desired number.
Single Line Proprietary Telephone Station User’s Guide 33
GCA70-246 Other Advanced Features
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