6.1.3 Operation
Note
For devices connected to a PBX other than the Main Unit, refer to the Troubleshooting for that PBX.
PROBLEM PROBABLE CAUSE SOLUTION
Cannot set the IP address,
subnet mask address, and
PBX IP address to the SIP
Phone.
• An unusable value is
being set.
• Set an IP address within the valid range. IP
address of the SIP Phone/PBX: "1.0.0.0" to
223.255.255.255 Subnet mask address: 0–
255.0–255.0–255.0–255 (except 0.0.0.0
and "255.255.255.255")
Cannot register the SIP
Phone.
• The necessary
network parameters
are not set to the SIP
Phone.
• When not using the DHCP Server feature or
an external DHCP server, set the IP
address, subnet mask address, and enter
the PBX IP address. If necessary, also enter
the IP address of the default gateway.
• When using the DHCP Server feature or an
external DHCP server, enter the PBX IP
address.
• Automatic registration is only compatible
with KX-HDV series connected to the same
network as the KX-HTS series LAN port.
The SIP Phone cannot
connect to the PBX.
• The wrong IP address,
subnet mask address,
PBX IP address, or
default gateway
address was entered.
• Check each parameter and enter the
correct value.
• The Ethernet cable is
not connected
correctly.
• Check the Ethernet cable connections.
• The DHCP server is
not active.
• Restart the external DHCP server.
• Confirm whether the DHCP Server feature
is enabled.
• Disable DHCP and re-enter settings as
appropriate.
The SIP Phone does not
ring.
• The ringer volume is
off.
• Turn on the ringer volume.
6.1.3 Operation
Getting Started 109
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