BusinessPhone Communication Platform 5.1
Commands > Commands 3000...3999

## 3071
External voice mail indication

An external mail system can be connected to ASB 150 via an analogue extension interface. By sending special DTMF-codes to ASB 150 the system can indicate whether or not an extension has an unanswered message Other extensions shall not be able to alter the indication by using the same codes.

This command is used to state for which A-category/categories it is permitted to alter the indication that an extension has a message in an external message system.

Minimum required authority level from telephone: 1

Accessible via BMS: Yes

Revision: PD4 © Ericsson Enterprise 2003