Matrix Visionpro System Manual page 181

• Interrupt Request can also be used after putting one party on hold. An important trunk call can be
transferred to a busy station after putting the calling party on hold and interrupting the busy destination to
inform him/her about the important call.
How to configure
To be able to use Interrupt Request, station users must have this feature enabled in their
Interrupt Request Timer
It is the time for which the station on which interrupt request is made gets the beeps. By default, the timer is set to
45 seconds.
To configure the timer,
• Enter SE mode.
• Dial 3017-Seconds
Where,
Default: 045 seconds.
Valid Range: 000 to 255 seconds
• Exit SE mode.
How to use
When dialed station is busy,
• Lift the handset.
• Dial the station number.
• You get Busy Tone.
• Dial 5 on Busy Tone.
• You get Ring Back Tone (RBT). The called station user gets beeps.
• The called station user can dial Flash to answer your call.
• Talk if call is answered.
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"Class of Service
Matrix VISIONPRO System Manual
(CoS)".