7 other advanced features 53, Line groups 53, Other advanced features – Vertical Communications GCA70-248 User Manual
Page 61: Line groups

Other Advanced Features
Line Groups
Some systems have telephone lines arranged into line groups that are made available
at the telephone instead of individual lines.
·
To access a system line group,
1. 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.
Non-LCD Speakerphone Station User’s Guide
53
GCA70-248
Other Advanced Features
7