IP-Fax Troubleshooting 
D361/D510 48  SM 
3.3 IP-FAX TROUBLESHOOTING 
3.3.1 IP-FAX TRANSMISSION 
Cannot send by IP Address/Host Name 
 
Check Point  Action 
1  LAN cable connected?  Check the LAN cable connection. 
2  Specified IP address/host name correct?  Check the IP address/host name. 
3 Firewall/NAT is installed? 
Cannot breach the firewall. Send by 
using another method (Fax, Internet 
Fax) 
4  Transmission sent manually?  Manual sending not supported. 
5  IP address of local machine registered?  Register the IP address. 
6 
Remote terminal port number setting other 
than 1720? 
Send by specifying the port number. 
7  Specified port number correct? 
Confirm the port number of the remote 
fax. 
8 
DNS server registered when host name 
specified? 
Contact the network administrator. 
9  Remote fax a T.38 terminal? 
Check whether the remote fax is a T38 
terminal. 
10  Remote fax switched off or busy? 
Check that the remote fax is switched 
on.