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Office communications with the LANCAPI
8
Office communications with the LAN-
CAPI
LANCAPI from LANCOM Systems is a special version of the popular CAPI
interface. CAPI (Common ISDN Application Programming Interface) estab-
lishes the connection between ISDN adapters and communications pro-
grams. For their part, these programs provide the computers with office com-
munications functions such as a fax machine or answering machine.
In this chapter, we would like to introduce LANCAPI and its uses for office
communications applications.
8.1
What are the advantages of LANCAPI?
The main advantages of using LANCAPI are economic. LANCAPI provides all
Windows workstations integrated in the LAN with unlimited access to office
communications functions such as fax machines, answering machines, online
banking and eurofile transfer. All functions are supplied via the network with-
out the necessity of additional hardware at each individual workstation. This
eliminates the costs of equipping the workstations with ISDN adapters or
modems. All you need to do is to install the office communications software
on the individual workstations.
For example, faxes are sent by simulating a fax machine at the workstation.
With LANCAPI, the PC forwards the fax via the network to the router which
establishes the connection to the recipient.
All applications that you run via LANCAPI use direct ISDN connections which
do not make use of the device's router functions. As a result, the firewall and
charge monitoring functions do not work!
The client-server principle
The LANCAPI is made up of two components, a server (in the LANCOM Office)
and a client (on the PCs). The LANCAPI client should only be installed on the
computers of the local network that intend to use the functions of the LAN-
CAPI.
8.2
Configuring the LANCAPI server
Two basic issues are important when configuring the LANCAPI server:
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