Use this option to set the Framer Type used by the PCB.
If this option is enabled:
- T1 circuits use ESF (Extended Super Frame) mode. This is a 24-Frame mode which provides ABCD
signaling bits and additional diagnostics).
If this option is disabled:
- T1 circuits use D3/D4 (12-Frame Multiframe mode which supports AB signaling bits only).
Always set this option for compatibility with the connected telco. Normally, T1 circuits use ESF.
Features Related to this Program
Telephone Features
IntraMail Features
Program Options
| Option |
Description |
| No (0) |
Disabled |
| Yes (1) |
Enabled (Default) |