Cortelco 2747 Manuale Utente

 
 

 

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(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