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D-Link to receive and display these messages. This feature can be disabled through the
browser.
Restore facto y defaults:
r
restores the configurable parameters to default values upon next restart.
Production testing:
If you enter the specific key sequence, the D-Link H.323 phone will
execute a production test upon next restart. The production test is described later in
this section.
10.5. Error Conditions
The D-Link H.323 phone detects the following error conditions and plays an error tone.
Error tone on network connection failure
It will return to normal state upon network connection. The link LED also gives this
information.
Error tone if there is no DHCP server
The phone will recover on detecting a DHCP server.
Error tone if the SIP proxy is down on power up
The phone will recover on detecting a SIP server.
Error tone if the called party is not registered.
10.6. H.323 Troubleshooting
Some of the common error situations are described below.
10.6.1. Power up
No tone on power up
Check the power adaptor and power source, and restart the phone.
No dial tone on power up
The H.323 phone takes time to exchange information with DHCP and H.323
Gatekeeper (GK). During this time it will play
dial tone
change to
if the exchange is successful or to
the tone to change to
Plays error tone on power up
It means that the information exchange with DHCP or H.323 Gatekeeper (GK) has
failed. Check if you have network connection and DHCP and H.323 Gatekeeper (GK)
are running. Also, check whether the H.323 phone is configured properly. Restart the
phone and check it.
10.6.2. Making a call
The H.323 phone is powered up properly but plays error tone while making call
Check the network connection and default gateway.
Plays call progress tone
H.323 phone plays call progress tone while trying to establish call and it can take time.
If it takes a long time check if the H.323 Gate Keeper (GK) is running properly.
Plays error tone
If you enter the specified key sequence, the H.323 phone
dial
error tone
or
.
60
call progress tone
. Then the tone will
error tone
if it is failure. Wait for
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Table of Contents
Troubleshooting
