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4 Fax
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.
Note
Headquarter
IP Fax (SIP)
machine
4
IP Fax (SIP) can be configured with SIP server and VoIP Gateway. The functions of
the devices are as follows:
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:
Receives address information of the machine in the IP network, and register the
address in the database (registrar server).
Relays request and response from the SIP client (proxy server).
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.
Note
IP Fax (SIP) can be used in the following four connection configurations:
Method to input IP Fax destination differs depending on the connection configuration.
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• The communication between IP Fax (SIP) devices are available for our compatible
machines in a corporate intranet. (Able 1407 is not available.) Hereinafter, IP Fax (SIP)
device is referred to as our IP Fax (SIP) compatible machine.
Intranet
Fax communication
between terminals (T.38)
SIP server
• Cisco MCS7816H3 (Cisco Unified Communications Manager 6.1 is installed) is validated as
a SIP server available for the machine.
• Cisco CISCO2801-V/K9 (IOS 12.4) is validated as a VoIP gateway available for the
machine.
• For more information on configuration of SIP server and VoIP gateway, contact our
Customer Support Center.
• The communication mode supported by IP Fax (SIP) is G3.
Branch A
IP Fax (SIP)
machine
(1)
(2)
Branch B
Public
(3)
(4)
telephone
network
VoIP gateway
Vendor
G3 fax
machine
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