Nortel Networks 9150 - Manual (Page 381)

Remote Gateway 9150 Installation and Administration Guide 351
January 2005 Troubleshooting
Digital telephone set
This section identifies some problems that can occur on the digital telephone set,
and describes what to do to resolve them.
Symptoms descriptions
If you are having trouble with digital telephones, perform troubleshooting as
described in the following table:
Symptom What to do
There is no dial tone when
pressing either the host call
appearance or local call
appearance keys. 1 Is this a first-time installation? If yes,
perform troubleshooting as described in
“What to do if the telephone connection
tests do not work” on page 130.
2 If you are trying to place a host-
controlled call, check the IP network and
ensure that
!
it is not down
!
traffic is being routed between the
Remote Gateway 9150 unit and RLC
on the host PBX
3 If you are trying to place a host- or locally
controlled call, Ensure the ISDN BRI line
is working. Ask your service provider to
check this.
4 Restart the RLC, wait one minute, and
then restart the Remote Gateway 9150
unit.
5 Ensure the RLC is enabled in its host
PBX slot.
In Load 97 on the Meridian 1 PBX, stat
the RLC, disable and enable it, or re-seat
it if necessary.