Aastra 480i Administrator's Manual page 212

# General SIP Settings
# ====================
#sip session timer: 30
#sip transport protocol: 0 # use UDP (1), TCP (2) or both (0) for
sip
#sip use basic codecs: 1
#sip out-of-band dtmf: 0
# Global SIP User Settings
# ========================
#
# Notes:
# These settings are used as the default configuration for the hard
# key lines on the phone. That is:
#
# L1 to L4 on the 480i and 480iCT
# L1 to L3 on the 9133i
# L1 on the 9112i
#
# These can be over-ridden on a per-line basis using the per-line
# settings.
#
# See the Admin Guide for a detailed explaination of how this works
sip screen name: Joe Smith
screen
sip user name: 4256
sip display name: Joseph Smith # the caller name sent out when making
sip vmail: *78
204 IP Phone SIP Admin Guide
# enable support of RFC4028, the default
# value of 0 disables this functionality
# messaging
# limit codecs to G711 and G729
# turn off support for RFC2833 (on by
# default)
# the name display on the phone's
# the phone number
# a call.
# the number to reach voicemail on