AT Command

Value

Parameter

 

 

 

ATH

 

Terminate existing

 

 

connection

 

 

 

ATQ

0

Display messages in

 

 

command mode (quiet)

 

 

 

 

1

Suppress messages in

 

 

command mode (quiet)

 

 

 

ATV

0

Display results as numeric

 

 

codes

 

 

 

 

1

Display results as text

 

 

("verbose") (default)

 

 

 

ATZ

 

Reset

 

 

 

+++

 

Switch from on-line to

 

 

command mode

 

 

 

*For a detailed description of these parameters, see the "COMMON-ISDN-API Version 2.0" specification.

**see also Section 4.3.2 "Suppressing Caller ID Display"

***Generally, the number is the MSN given by the network provider (e.g. British Telecom) without the dialing code. If your ISDN-Controller is connected to the internal S0 bus of a PBX, use the MSN of the respective extension. For more information, please refer to your PBX manual.

More detailed information about the application interface CAPI is available on the Internet at http://www.capi.org.

Version 01.02.00 for Windows NT and 2000

The ISDN CAPI Port Device Driver is a universal ISDN connectivity solution for the Microsoft Windows NT 4.0 and Windows 2000 operating systems. It facilitates the use of Remote Access Services (RAS) and Dial-Up Networking connections to the Internet and to on-line services.

Technically, the ISDN CAPI Port Device Driver mediates between the UNIMODEM architecture of Windows NT/2000 and the applications interface COMMON-ISDN-API 2.0 (CAPI). The CAPI 2.0 interface, a manufacturer- independent standard, is provided with all ISDN-Controllers and loaded by each Controller's installation program.

Virtual modems

After simple installation in Windows NT/2000, the ISDN CAPI Port Device Driver supplies up to eight virtual modems which are immediately available for

192IBM ISDN PC Card:User’s Guide

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IBM 19K5716 manual Version 01.02.00 for Windows NT, Virtual modems