Vision System Manual
35
Matrix
Alternate Number Dialing
What’s this?
• The Vision tries alternate numbers if the dialed number is busy.
• Many times when we make a call, we find that the called number is busy. Hence we try alternate numbers.
We keep trying all the alternate numbers of the person till the call gets through and we talk to the person.
This is very frustrating and time-consuming. Alternate Number Dialing rescues us from this sheer wastage of
time. We need not keep dialing the alternate numbers. Instead we simply need to Redial the number or set
Auto-redial for the number. Doing so, the system tries alternate numbers. If Auto-Redial is requested, the
system gives you the ring when the number goes through.
How to use it?
The Station user simply has to Redial or Auto-Redial the last number. The system automatically tries Alternate
numbers.
How it works?
• Global Directory is used to accomplish this feature.
• An Alternate group number should be assigned to a number in the Global Directory.
• An Alternate group number can be from 00 to 99.
• Suppose two numbers programmed at index 10 and 11 are to be used as Alternate numbers then both the
numbers should be programmed as one group.
• Doing so, when a station user dials an external number, the system checks for it in the global directory. If the
number is busy and if the user tries Redial then the system automatically opts for Alternate Number dialing. It
tries next number available in the Alternate group. If this number is also busy, it tries next number in the
group. All the numbers are tried in this way. This continues as long as the user tries redial.
• If the user tries Auto-Redial, the system tries for all the numbers in the group one by one. If any of the
number is through, it gives the ring to the caller. If all the numbers are busy in the group then the system
sets Auto-Redial for the last number dialed and waits for RBT from the called end. It informs the caller when
the call is through by giving a ring.
For example, ABC Ltd. has four telephone numbers viz. 2640459, 2631235, 2635589 and 2565590 and all are
to be used as Alternate Numbers then these four numbers should be programmed in the global directory from
index 10 to 13. All these numbers should be assigned one Alternate group say 00. Doing so, all these numbers
act as an Alternate Numbers for each other. Whenever a user dials any of these numbers and tries Redial or
Auto-Redial, Alternate Number dialing logic gets activated i.e. when a user dials 2640459 and if it is busy and if
the user tries redial then the system automatically dials 2631235. This is repeated every time a redial is tried.
If no alternate number is available for a main number is the global directory then the system redials the last
dialed number while trying redial feature or Auto Redial feature.
How to program?
Step 1:
List down the Numbers to be programmed in an alternate group.
Step 2:
Assign an unique Alternate Number group to all the numbers using command
1303.
The Global Directory without assigning alternate number group looks as shown below:
Summary of Contents for EPABX Vision-206S
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