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2.16.1 Direct Inward System Access (DISA)
system programming. With NSX, this feature can only be used from a Cell Phone (Public) assigned to the
User Container. (→ 2.29.1 User Container)
It is also possible to establish a Conference call (→ 2.14 Conference Features), perform Call Splitting (→
2.13.3 Call Splitting), and page with a call on hold to transfer the call (→ 2.16.1 Direct Inward System
Access (DISA)).
–
DISA security mode should be set to No Security.
–
If the called extension does not answer, is busy, or is in DND mode, the DISA Intercept feature
operates.
–
The party on hold can use the Call Retry feature.
–
If the destination trunk supports End of Call Detection, a paging call can be made after dialling "#".
–
If the transferred call is forwarded to another outside destination, COS settings are ignored.
•
If the cellular phone's number is registered in system speed dialling, its COS will be the COS of the
extension specified as the CLI destination.
•
If the cellular phone's number is not registered in system speed dialling, its COS will be the COS of
the trunk that the transferrer is using.
•
Operation is as follows, depending on the "10.7.1 PBX Configuration—[2-7-1] System—Class of
Service—COS Settings—CO & SMDR—Transfer to CO" setting and the availability of End of Call
Detection on the destination trunk:
–
Case 1: Transfer to CO is enabled.
Transfer is available.
–
Case 2: Transfer to CO is disabled and the destination trunk supports End of Call Detection
A reorder tone is heard. (Consultation hold can be released by pressing "#".)
–
Case 3: Transfer to CO is disabled and the destination trunk does not support End of Call
Detection.
Transfer is cancelled, and the conversation returns to the trunk on hold.
–
If the call is transferred to an ICD group, the call will wait in a queue until answered, but the Queuing
Time Table will not function.
–
When using this feature, do not use the Executive Busy Override feature to interrupt the established
call.
Redial with DTMF " " when receiving a trunk call (before the transfer destination—cellular phone—
answers).
–
It is possible to redial by using the DTMF tone " " before the transfer destination trunk (cellular phone)
answers.
–
If the transfer destination (cellular phone) is a line that does not support answer notification, outgoing
dial completion is considered as answering.
–
If the destination trunk supports End of Call Detection, screened transfer is available. If the transferring
party dials "#" while talking to the called party, the call can be put back on consultation hold.
–
If the destination trunk does not support End of Call Detection, the call is transferred unscreened.
•
DISA Call Transfer to Outside User
When a call is received through DISA and the receiving extension is set to forward the call to an
extension (including over a TIE connection) or an outside destination, the call can be forwarded
automatically to an outside telephone number if the following conditions are met:
–
An outside telephone number (e.g., a cellular phone number) is registered as the forward destination of
the receiving extension.
–
The forward destination's telephone number is registered in the System Speed Dial of the receiving
extension.
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Feature Manual
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