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DEFINITY Enterprise Communication Server Release 9
Getting Started with the Avaya R300 Remote Office Communicator
Issue 1
November 2000
Maintaining and Troubleshooting the Avaya R300
93Troubleshooting
6
■ Verify that the endpoints are registered with DEFINITY. Check status screen
30-000 for the Combo Blade. The endpoint that being tested should have a dash ’-’
(if phone is on-hook) or a star ’*’ (if phone is off-hook) displayed on this status
screen. If it does not, refer to section Endpoint Not Registered with DEFINITY.
■ Verify that the Avaya R300 is opening the audio channel to DEFINITY. Check
status screen 30-000 for the Combo Blade. The endpoint being tested should have
a ’*’ displayed on this status screen when the phone goes off-hook. If this is not the
case, attempt the same procedure with a different phone. If you still do not have
success, reboot the Avaya R300. Rebooting should only be attempted if your
phone is registered with DEFINITY, and a dash ’-’ is displayed when the phone is
on-hook.
Voice quality is poor
If the voice quality on the phones connected to the Avaya R300 is poor, or below standard
voice quality, review the following:
■ Direct IP-IP Audio Connection must be set to yes for a station, the signaling group
the station is in, the network region that the station is in, and for the system, as
well. If the field is set to no in any of those locations, then the quality of voice over
an IP connection may be poor.
Verify that the Direct IP-IP Audio Connection field is set to yes in the following
screens:
— Station, page 2
— Feature-Related System Parameters, page 10
— Signaling Group, page 1
— IP Network Region, page 1
■ Verify that any hubs between the phone and the Avaya R300 are switched, not
shared, in the uplink direction.
■ Verify the wiring between the phone and the Avaya R300 is CAT 5.
■ Verify that the Avaya R300 and the switched hub connected to the TN2303 media
processor are set to 100mbit operation.