D-Link DPH-80 Manual - Page 56

SIP Troubleshooting, Power Up, Making a Call

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Using Session Initiated Protocol (SIP) SIP 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 SIP phone takes time to exchange information with DHCP and SIP proxy servers. 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 SIP Phone plays an error tone on power up. It means that the information exchange with DHCP or SIP proxy server has failed. Check if you have a network connection and DHCP and SIP proxy servers are running. Also, check if the SIP phone is configured properly. Restart the phone and check it. Making a Call The SIP 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 SIP phone plays a call progress tone. The SIP 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 SIP proxy server is running properly. The SIP phone plays an error tone. The called party may not be registered with the proxy server. The SIP phone plays error tone for an extended period of time. The proxy server may not be running and the SIP phone times out before playing an error tone. 56

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56
Using Session Initiated Protocol (SIP)
SIP 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 SIP phone takes time to exchange information with DHCP and SIP proxy
servers. 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 SIP Phone plays an error tone on power up.
It means that the information exchange with DHCP or SIP proxy server has
failed. Check if you have a network connection and DHCP and SIP proxy servers
are running. Also, check if the SIP phone is configured properly. Restart the
phone and check it.
The SIP 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 SIP phone plays a call progress tone.
The SIP 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 SIP proxy server is running
properly.
The SIP phone plays an error tone.
The called party may not be registered with the proxy server.
The SIP phone plays error tone for an extended period of time.
The proxy server may not be running and the SIP phone times out before playing
an error tone.
Making a Call