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Digital Telephone IP Adapter Installation and Administration Guide 211
January 2005 Troubleshooting
Digital telephone set
This section identifies some problems that can occur on the digital telephone,
and describes what to do to resolve them.
Symptom descriptions
If you are having trouble with digital telephones, perform troubleshooting as
described in the following tables, according to whether this is a first-time
installation.
Symptom What to do
There is no dial tone when
pressing either the host calling or
local calling keys and this is a
first-time installation
1 Ensure that the Digital Telephone IP
Adapter unit completed its power-up
cycle successfully. If it did, the Status
LED remains lit.
2 Verify the connections between the
telephone network and the Digital
Telephone IP Adapter unit.
3 Use Configuration Manager to verify that
the following configuration is correct on
the Digital Telephone IP Adapter unit:
! IP address
! subnet mask
! IP gateway
! RLC’s IP address
4 Verify the security IDs of both the Digital
Telephone IP Adapter unit and the RLC,
if a security ID is required to authenticate
connection attempts.