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Troubleshooting
38 Alti-IP 600 Manual
No IP Address • Check if DHCP is enabled. If YES, check network
connection. If NO, check DHCP Server setting.
• Check if Alti-IP 600 phone’s IP address is
configured.
One way connection.
• Make sure firewall setting has all the TCP/UDP
ports required by AltiWare opened.
• IfNAT is used,make sure NAT is enabled and NAT
address is set up correctly.
Phone does not show
anything on LCD display.
Check the power source to be surethe Alti-IP 600phone
is receiving power.
Poor voice quality.
• Make sure a switch is used, rather than a hub, in the
corporate LAN.
• G.711 provides better voice quality.
• If VoIP is setup over WAN, set priority queuing on
the WAN router.
• Make sure WAN QoS is okay by pinging a few
hundred packets from remote site and observe
packet loss and network latency.
• Adjust jitter buffer to accommodate network
latency.
Register failed.
• Check to make sure the extension number and
extension password is set up properly and that the IP
extension is enabled.
• Check to make sure the IP Phone Services is started
in AltiWare.
• IfIP Phone is associated witha physical phone (with
the same extension number), use #27 to activate the
IP Phone to normal operating mode.