As an out of the box solution the KXTD1232 has 0 lines and 16 extensions. It can be expanded up to 30 ISDN channels / lines and 32 extensions (32 extensions if you use the analogue extension on the back of the digital phones). However you can connect an ISDN30e module which will allow 8 channels of primary rate and in addition 4 analogue lines or 4 channels of ISDN2, giving a maximum line capacity of 12.
- Compatible with analogue, ISDN2e and ISDN30e lines
- So bus (ISDN to the desk)
- DDI (Direct Dial)
- Automatic Route Selection / Least cost routing
- Complete integration with voice processing systems
- Extra devise port
- Trunk to Trunk transfer and conferencing
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