D-Link DPH-80 Manual - Page 82
H.323 Troubleshooting
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Using H.323 Protocol H.323 Troubleshooting Some of the common error situations are described below. Power Up There is no tone on power up. Check the power adapter and power source, and restart the phone. There is no dial tone on power up. The H.323 phone takes time to exchange information with DHCP and the H.323 Gatekeeper (GK). During this time it will play a call progress tone. Then the tone will change to a dial tone if the exchange is successful or to an error tone if it is failure. Wait for the tone to change to a dial or an error tone. The H.323 Phone plays an error tone on power up. It means that the information exchange with DHCP or Gatekeeper (GK) has failed. Check if you have a network connection and the DHCP and Gatekeeper (GK) are running. Also, check if the H.323 phone is configured properly. Restart the phone and check it. Making a Call The H.323 phone powered up properly but plays an error tone while making a call. Check the network connection and default gateway to ensure they're working properly. The H.323 phone plays a call progress tone. The H.323 phone plays a call progress tone while trying to establish a call and this can take time. If it takes a long time, check if the H.323 Gatekeeper (GK) is running properly. The H.323 phone plays an error tone. The called party may not be registered with the Gatekeeper (GK). The H.323 phone plays error tone for an extended period of time. The Gatekeeper (GK) may not be running and the H.323 phone times out before playing an error tone. 82
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