Analog and ISDN PRI options

Parameters only for the analog/ISDN PRI cards, that will be adjusted at the driver configuration files used for that cards - dahdi (Figure 7.67):

• Channel tone zone: Country tone zone. The frequences may be different from country to country;
• Echo cancel;
• Type of Number (ISDN TON): Low level signalling options
  • Callee (Calling Number): Unknown is the default, other options are local, private, national and international;
  • Caller (Caller Number): Unknown is the default, other options are local, private, national and international;
• R2 signalling options: If the R2 signalling protocol is used (old ISDN protocol) you can define here the R2 parameters:
  • DNIS: Dialed Number Identification Service value;
  • ANI: Automatic Number Identification value;
  • Zone/Country;

Figure 7.67: Telephony - Analog and ISDN PRI options