About IP Fax (SIP)
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Fax
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About IP Fax (SIP)
IP Fax (SIP) refers to the process of sending and receiving faxes using an IP Network in a
corporate intranets.
The process is compliant with the T.38, an ITU recommendation. Because IP Fax (SIP) uses
existing corporate intranets, the transmission is less expensive than G3 fax transmission
using public telephone network.
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The communication between IP Fax (SIP) devices is available for our compatible machines in a corporate
intranet. For information on the compatible machines, contact our Customer Support Center.
IP Fax (SIP) can be configured with SIP server and VoIP Gateway. The functions of the
devices are as follows:
îš„ SIP Server
Using a SIP Server, IP Fax designation can be designated by SIP user name and telephone
number.
Main features of a SIP server are:
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Receives address information of the machine in the IP network, and registers the address
in the database (register server).
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Relays request and response from the SIP client (proxy server).
îš„ VoIP Gateway
VoIP gateway allows the machine to relay fax communications between the IP network
and the public telephone network. A VoIP gateway is required for communicating with a G3
Fax device.
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Cisco MCS 7800 series (Cisco Unified Communications Manager 6.0/6.1/7.1/8.0 is installed) is validated as a
SIP server available for the machine.
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Cisco ISR 2800 series (Cisco IOS 12.4 is installed) is validated as a VoIP gateway available for the machine.
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For more information on configuration of SIP server and VoIP gateway, contact our Customer Support
Center.
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The communication mode supported by IP Fax (SIP) is G3.
IP Fax (SIP) can be used in the following four connection configurations:
Method to input IP Fax destination differs depending on the connection configuration.
Fax communication
between terminals (T.38)
Headquarter
Branch A
Branch B
Vendor
Intranet
IP Fax (SIP)
machine
SIP server
VoIP gateway
IP Fax (SIP)
machine
Public
telephone
network
G3 fax
machine
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