IP-Fax Troubleshooting
SM 43 D0CK
3.4 IP-FAX TROUBLESHOOTING
3.4.1 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 (When using H.323) or 5060 (when using
SIP)?
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.
11 Network bandwidth too narrow? Request the network administrator to
increase the bandwidth.
Raise the delay level.
IPFAX SW 01 Bit 0 to 3
IP-Fax bandwidth is the same as the
DCS speed. Set IP-Fax SW00 Bit 6 to 1.
12 Remote fax cancelled transmission? Check whether the remote fax cancelled
the transmission.
Cannot Send via VoIP Gateway.
Check Point Action
1 LAN cable connected? Check the LAN cable connection.
2 VoIP Gateway T.38 standard? Contact the network administrator.
3 VoIP Gateway installed correctly? Contact the network administrator.
4 VoIP Gateway power switched on? Contact the network administrator.
5 Is the IP address/host name of the Check the IP address/host name.
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