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Mite1 Standard Practise
Examples of Call Forwarding to Voice Mail
External Incoming Call to Voice Mail by Call Forwarding
Figure 5-2 shows an example of an external incoming call being directed to a voice mail
box using the Call Forwarding feature. The steps listed below are shown in Figure 5-2.
1.
2.
3.
4.
5.
6.
7.
Ian calls in on line 03 to Tony' s station.
Tony' s station is programmed
to ring for line 03, but Tony has programmed
his set for
Call Forward Follow Me to Station 20.
Ian' s call is forwarded to Station 20. Station 20 is connected to a port on the ONS
Unit which is connected to a voice mail system. When the voice mail system answers,
the ONS Unit sends the following DTMF digits to the voice mail system:
PPD 03 02
PPD = Type
of call
03 = C.O.
line
number
02 =
Tony' s mailbox number
Ian is connected to Tony' s mailbox and leaves a recorded message.
After Ian hangs up, the voice mail system sends the following DTMF string to the
ONS Unit:
A 02
A = Message Waiting data saing
02 =
Tony' s mailbox number
In response to this DTMF string, the ONS Unit sends a Message Waiting signal to
Tony' s set. Tony' s Intercom lamp flashes.
When Tony responds to the Message Waiting signal by pressing the # key or
Intercom key, the ONS Unit sends the data string that' s programmed
for Message
Waiting Answer to the voice mail system. The Message Waiting Answer data string
(P#3 in this example) signals the voice mail system to connect Tony with his voice
mailbox.
Feature Module IV & On Premise Station Unit
Page 38
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