Characters used in Data Call Setup

Last Updated : Oct 30, 2012 |

Basic-digit dialing is provided through an ADM or 7500B data module. The user can enter digits from 0 to 9, *, and # from a 7500 or 8500 series telephone keypad or an EIA-terminal interface. In addition, the user can dial the following special characters.

Table 1: Special characters

Character

Use

SPACE, -, (, and)

improves legibility. Communication Manager ignores these characters during dialing.

+ character (wait)

interrupts or suspends dialing until the user receives dial tone

, (pause)

inserts a 1.5-second pause

% (mark)

indicates digits for end-to-end signaling (touch-tone). This is required when the trunk is rotary. It is not required when the trunk is touch-tone.

UNDERLINE or BACKSPACE

corrects previously typed characters on the same line

@

deletes the entire line and starts over with a new DIAL: prompt

Each line of dialing information can contain up to 42 characters (the + and % characters count as two each).

Examples of dialing are:

  • DIAL: 3478

  • DIAL: 9+(201) 555-1212

  • DIAL: 8, 555-2368

  • DIAL: 9+555-2368+%9999+123 (remote access)