Cortelco 2747 user manual

(e). When the IP Phone fails in obtaining an IP address from the DHCP server, the LCD screen will display the following message :

DHCPFail (number)

Date Time

This means that the IP phone is configured to use DHCP to get an IP address, but the DHCP procedure failed (cannot find a DHCP server or the DHCP server rejected the IP assignment). The IP phone can not make any calls and the on-hook / off-hook functions will not work, you can not hear any sound on the handset or the speaker. Only the menu selections will work.

The IP phone will continuously try to get the IP address from the DHCP server, so, if the DHCP server is responding, the DHCPFail () display will change to Hi() display to notify that the IP phone is working OK.

(f). When the IP Phone is set to use the PPPoE method for network connection, but has some problem in finding the PPPoE server (ADSL modem), the LCD screen will display the following message :

PPPoE FindFail(number)

Date Time

This means that the IP phone is configured to use PPPoE to get an IP address, but the PPPoE procedure failed (can not find a PPPoE server or the network connection has a problem). The IP phone can not make any calls, but the menu selection and the on-hook / off-hook function will work OK.

(g). When the IP Phone is set to use the PPPoE method for network connection, but has some problem in the PPPoE account, the LCD screen will display the following message:

PPPoE AuthFail (numer)

Date Time

This means that the IP phone is configured to use PPPoE to get an IP address, but the PPPoE server refuses the connection because the

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