Operation Manual

Information:

The CS400 / CS400xt system telephone does not have a USB port! Functions can therefore not be used via USB.

CTI / TAPI using the phone’s USB port

The abbreviations CTI and TAPI denote the standard interface for Windows telephony applications from Microsoft.

Telephones and computers can work hand in hand via this interface.

CTI: Computer Telephony Integration

TAPI: Telephony Application Programming Interface

This allows you to dial directly from TAPI-compatible Windows programs, and the calls can be used by the software.

Consequently, setting up a connection via TAPI is considerably faster than with normal calling. TAPI, with its

standard Microsoft interface, has the advantage that it is already supported by a large number of programs and this

number is growing all the time.

Information:

TheTAPIfunctions of the telephone areavailable immediately after being connectedto the PC and doesnot require

any additional activation procedures to be performed at the telephone.

CAPI using the telephone’s USB port

You do not require an additional ISDN card in your PC. The phone is equipped with an integrated USB port for

connection to the PC. Based on the programs and drivers you have installed, you can use the telephone, for example

to surf the Internet conduct data exchange, send/receive fax messages, or implement an answering machine via the

PC.

CAPI: Common Application Programming Interface

· Only one B channel is available for all applications, to ensure that the telephone can be reached at

all times. The applications being used can use this B channel one after the other.

Do not use the same MSN in these PC applications as are used in the telephone.

If a CAPI application is active on your PC and using the available B channel this is indicated in the

display of the telephone by »ONLINE«. Onlyone B channel is thenavailable for telephony while

this application is in use.

Fax and data services (not included in the delivery)

Using a fax program you can send/receive fax messages from/with a number of different applications. Using a data

transfer / file transfer program you can transfer data from one PC to another, or receive data from different PCs. You

must have at least the following drivers installed to use this and other applications with your telephone:

USB- and CAPI drivers for the telephone

Internet access

Surf the Internet using your telephone. Use the software packages furnished by your service provider (for example

T-Online, AOL) or the data transfer network of your Windows operating system for this. You must have at least the

following drivers installed to use for telephone to surf the Internet:

USB- and CAPI drivers for the telephone

NDISWAN driver (required only for connection to the Internetvia the Windows dial-up net

work)

Audio applications using the phone’s audio jacks

The telephone is equipped with an input (2) and an output (3) for audio signals. Both these ports have a 3. 5 mm

stereosocket. Whenusingthe optional answeringmachine module, you can connectthe telephone via these ports to

the PC sound card in order to upload announcements into the phone or save recorded messages on the PC.

You can also use specific telephone features with the Audio-Out output (see page 52).

Telephone and PC CTI / TAPI using the phone’s USB port