Substations calling external telephone(s)
From Zenitel Wiki
This article describes how substations in the AlphaCom can be configured to call external telephone number(s).
- If all lines in the SIP gateway are busy, the call will be placed on hold. When the line becaomes free, the call will automatically be dialed
- Multiple phone numbers can be defined. If the first phone doesn't answer within a preset time, the call can be routed to a second (and a third...) phone number.