How to Create Custom Calling Card Rules

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Article ID: 167220 - View products that this article applies to.
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This article describes how to create a custom calling card rule in Windows 95, Windows NT Server version 4.0, or Windows NT Workstation version 4.0. Calling card rules can be used with Dial-Up Networking, HyperTerminal, Microsoft Fax, Phone Dialer, or any other program that uses Windows 95 or Windows NT 4.0 telephony.

More information

To create a custom calling card rule, follow these steps:
  1. In Control Panel, double-click Modems.
  2. Click Dialing Properties, and then click the Dial Using Calling Card check box to select it.
  3. Click New, type the name of the calling card in the text box, and then click OK.
  4. Click Advanced, and then type your calling card rule in the text box for which you want to create a rule. Rules can be created for each of the following call types:
    - Calls within the same area code
    - Long distance calls
    - International calls
    NOTE: In Windows NT Workstation 4.0 and Windows NT Server 4.0, click Rules instead of Advanced.
  5. Click Close, click OK, and then click OK again.
If you would like to edit an existing rule from a predefined calling card, click Copy From in Step 4 and then follow these steps:
  1. Click a predefined calling card from the list, and then click OK.
  2. Edit the existing calling card rule in the text box for which you want to create a rule.
  3. Click Close, click OK, and then click OK again.
The following list describes the different dialing codes that can be used when you are setting up custom calling card rules.

Rules for Dialing

0-9: Numbers to be dialed.

ABCD: Characters to be dialed. (Tone dialing only - used for special control on some phone systems.)

E: Dial the country code.

F: Dial the area code (city code).

G: Dial the local phone number.

H: Dial the card number.

*,#: Characters to be dialed (tone dialing only).

T: Subsequent numbers are to be tone dialed.

P: Subsequent numbers are to be pulse dialed.

,: Pause for a fixed time.

!: Flash (1/2 second on-hook, 1/2 second off-hook).

W: Wait for a second dial tone.

@: Wait for quiet answer (ring-back followed by five seconds of silence).

$: Wait for calling card prompt tone.

?: Suspend dialing until user provides input.

For example, the MCI via 1-800-674-7000 calling card has the following rule for long distance calls:
This means that the following sequence needs to be dialed in order to place a long distance call with an MCI calling card:
  1. Call 1-800-674-7000.
  2. Wait (6 commas).
  3. Dial next numbers as tone.
  4. Dial the calling card number.
  5. Wait (2 commas).
  6. Dial the area code.
  7. Dial the phone number.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.


Article ID: 167220 - Last Review: October 24, 2013 - Revision: 2.0
Applies to
  • Microsoft Windows 95
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
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