Public Telephone Networks

DIALNO consists of a combination of digits and special characters. If an auto-call unit is installed, the special characters consist of separator characters, dialing pause characters, and end-of-number characters, as follows:

• The separator character causes the auto-call unit to delay sending the next dial digit until it receives a secondary dial tone. For separator characters, use underscores (_) or the hexadecimal equivalent (X'6D').
• If the auto-dial unit is not equipped to use separator characters, a dialing-pause character can be used to allow time to receive a secondary dial tone. A dialing-pause character pauses for a predetermined interval before sending the next digit. You can insert as many vertical bars (|) or the hexadecimal equivalent (X'FA') as you need to denote dialing pauses.
• Some modems require end-of-number characters. For end-of-number characters, use
  • asterisks (*) or the hexadecimal equivalent (X'5C')
  • percent signs (%) or the hexadecimal equivalent (X'6C')
  • (@) character or the hexadecimal equivalent (X'7C')
  For example, you could code DIALNO=8_5799*, where _ is the separator character and * is the end-of-number character.
• The maximum length of the operand is 242 characters, including vertical bars, the separator character, and the end-of-number character.