[Example]
a.
Outside Caller calls Extn. 101 through DISA.
b.
Extn. 101 forwards the call to Cellular Phone-1.
Outside Caller establishes a conversation with Cellular Phone-1.
c.
Cellular Phone-1 presses "#" to put the conversation on hold, and then transfers the call to Cellular
Phone-2.
At this point, the CLIP information shown on Cellular Phone-2 may be one of the following:
Case 1: When Extn. 101 forwarded the call, Automatic Walking COS was performed with Cellular
Phone-1's telephone number.
–
Displayed CLIP: Same as if Extn. 101 made a CO line call.
Case 2: When Extn. 101 forwarded the call, Automatic Walking COS was not performed, and
CLIP of CO Caller—when call is transferred to CO (CLIP of Held Party) is set to Enable.
–
Displayed CLIP: Outside Caller's telephone number and name.
Case 3: When Extn. 101 forwarded the call, Automatic Walking COS was not performed and
CLIP of CO Caller—when call is transferred to CO (CLIP of Held Party) is set to Disable.
–
Displayed CLIP: The CLIP set for the line that Cellular Phone-1 used to transfer the call.
CO line
Outside Caller
•
DISA Reorder Tone Duration
It is possible to set the DISA Reorder Tone Duration time. This specifies the length of time that a reorder
tone will be sent to the caller. When the timer expires, the call will be disconnected. Call Retry is possible
during the DISA Reorder Tone Duration time.
® 10.3 PBX Configuration—[2-3] System—Timers & Counters—DISA / Door / Reminder / U. Conf—
DISA—Reorder Tone Duration
•
Call Deny
Extensions can deny DISA calls on a COS basis.
® 10.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings—Optional Device & Other
Extensions—
Accept the Call from DISA
Document Version 2016-03
Telephone Company
CO line
CO line
c.
PBX
a.
CO line
Forward to
Cellular Phone-1
Extn. 101
5.1.10 DISA (Direct Inward System Access)
Cellular Phone-2
CO line
Transfer to
Telephone
Cellular Phone-2
Company
CO line
b.
Send
Send
Cellular Phone-1
Feature Manual
107