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# Setting a port number

When using IP address and port number

To send to an IP-Fax destination, depending on the receiver's network configuration, you might have to specify the IPv4 address and port number of the receiving machine. For example, if the receiver's IPv4 address is 192.168.1.10 and the port number is 2100, specify 192.168.1.10:2100. Similarly, if the receiver's IPv6 address is fe80::0123:4567:89ab:cdef and the port number is 2200, specify [fe80::0123:4567:89ab:cdef]:2200. Ask your network administrator for details.

When using host name and port number

When you specify a host name, depending on the receiver's network configuration, you may need to specify the host name and port number of the receiving machine. For example, if the receiver's host name is IPFAX1 and the port number is 2100, specify IPFAX1:2100. Ask the network administrator for details.