Check Point  | Troubleshooting Procedures  | |
1  | LAN cable connected?  | Check the LAN cable connection.  | 
2  | Firewall/NAT installed?  | The firewall cannot be breached. Send by another method (Fax, Internet Fax)  | 
3  | IP address of local fax registered?  | Register the IP address.  | 
4  | Port number specified at remote sender fax (if required)?  | Request the sender to specify the port number.  | 
5  | Specified port number correct (if required)?  | Request the sender to check the port number.  | 
6  | DNS server registered when host name specified on sender side?  | Contact the network administrator. 
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7  | Network bandwidth too narrow?  | Request the system administrator to increase the bandwidth.  | 
Lower the start modem reception baud rate on the receiving side. (IPFAX SW06)  | ||
8  | Remote fax cancelled transmission?  | Check whether the remote fax cancelled the transmission.  |