To use internal telephony via the LANCOM DECT base station, the handsets must be uniquely identifiable. This is done via a unique twwo-digit number (11–99) by which the handset can be dialed directly using the "Int" button.
- SNMP ID:
 - 2.33.10.2.9
 - Console path:
 - Setup > Voice-Call-Manager > DECT > Handsets
 - Possible values:
 11 … 99
- Special values:
 - 0
 - The router finds the next available number and assigns it automatically.