Aastra 9143i Series Administrator's Manual page 1099

# Option 2:
#
# If you are using a session border controller, you should set the
# outbound proxy to the session border controller address
#sip outbound proxy: sbc.aastra.com
#sip outbound proxy port: 0
# Option 3:
#
# If you know the public IP address of your NAT device and and have
# opened up a port for the SIP messages then you can statically
# assign this information.
#sip nat ip: 67.123.122.90
#sip nat port: 5890
# Additional Network Settings
# ============================
#sip rtp port: 3000
#-----------------------------------------------------------------
# Configuration Server Settings
# = = = = = = = = = = = = = =
# Notes: This section defines which server the phone retrieves new
# firmware images and configuration files from. Three protocols
# are supported TFTP, FTP and HTTP
download protocol: TFTP
41-001160-04 Rev 02, Release 2.5
# a value of 0 enables SRV
# lookups for the address of
# the proxy.
# Eg. RTP packets are sent to port 3000.
# valid values are TFTP, FTP and HTTP
Sample Configuration Files
C-33