Aastra 480i Administrator's Manual page 36

# Network Settings
# ================
#ip:
#----------------------------------------------------------------------
# Line Settings
# =============
# Lines should be set in the <mac>.cfg Þle since these settings
# are unique to each phone.
# Notes: Setting parameters for lines 1 - 4 conÞgures the 4
# line/call appearance hard keys on the 480i. Setting parameters
# for lines 5 - 9 conÞgures the phone for additional line/call
# appearances that can be set up as softkeys.
# The maximum number of line/call appearances that can be
# conÞgured on the 480i is 8 or 9, depending on how the lines
# have been conÞgured.
# If all line/call appearances have been set up as private and for
# the same number, a total of 9 lines can be conÞgured. If all
# line/call appearances have been set up between two different
# numbers and as private, a total of 8 lines can be conÞgured.
# This means that when all line/call appearances are in use, 1 is
# connected while the rest are held. No further outgoing or
# incoming calls can be made until one of the line/call appearances
# becomes available.
# If shared line/call appearances have been set up, they can only
# be set up for one number.
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33 Model 480i Broadsoft Admin Guide
# This value is unique to each phone on a server
# and should be set in the "<mac>.cfg" Þle if
# setting this manually.