Direct Inward Dialing (Did) - Matrix Visionpro System Manual

Direct Inward Dialing (DID)

The system can perform the task of an operator by greeting the external caller and transferring the call to the
desired station. This facility is called Direct Inward Dialing (DID).
This feature enables frequent callers to reach their desired stations by dialing the station numbers or dialing the
station names from their phones.
DID offers the following advantages,
• Reduces traffic burden on the operator.
• Calls are transferred faster, which saves the caller's time.
• Useful even during non-working hours and holidays.
How it works
• The caller calls a DID enabled trunk of VISIONPRO.
• Since DID is enabled for the trunk, the system answers the call by going OFF-Hook
• The system checks if voice message greeting is configured for the trunk for the current time and greets the
caller as per Day time or Night time and plays the initial guidance message. If voice message greeting is
not configured, then the system plays the music.
• System plays the Dial Tone/beeps or plays the Dial Message prompting the caller to dial the desired
station name or number or department group number.
• Caller dials the digits corresponding to the name or the number of the desired station/department group. To
access dial by name to reach the desired station, refer
• The caller must dial digits corresponding to the name or the number before the DID Beeps Timer expires.
• If the DID Beeps Timer expires, the system plays the No Dial Message and routes the call to the
programmed destination. The process is terminated at this stage.
• Otherwise, if valid digits are not received, the system plays the Wrong Dial message or plays the Error
Tone to the caller. Thereafter, the system again plays the Dial Tone or plays the Dial Message
prompting the caller to dial the desired station name or number or department group number and
repeat the process.
• If all the digits dialed are valid and the desired station is free, the system transfers the call. At this time the
caller gets Ring Back Tone.
• The system plays the Programming Message and waits for the destination station to answer within the DID
Ring Timer.
• If the dialed station answers the call within the DID Ring Timer, the system connects the caller to the dialed
station user.
9. If DID is not enabled for a trunk, then the system routes the call to the programmed landing destination station.
Matrix VISIONPRO System Manual
"Dial By Name".
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