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2.12.2 SIP Refer Transfer
10.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings—Assistant—Transfer to busy
Extension w/o BSS Operation
10.9 PBX Configuration—[2-9] System—System Options—Option 4—DSS Key—Automatic Transfer for
Extension Call
8.2.1 Users—User's Device Settings—Device Settings—Option 1—Transfer Recall Destination
Feature Manual References
5.1.1 Class of Service (COS)
Operating Manual References
1.4.1 Transferring a Call (Call Transfer)
2.12.2 SIP Refer Transfer
Description
If enabled through system programming, calls transferred to a SIP trunk will be transferred using the SIP
service provider's Transfer feature instead of the PBX's.
The following types of transfer are available:
Attended Transfer
Blind Transfer
Conditions
[General]
•
The availability of this feature depends on the SIP service provider.
•
Since the SIP service provider takes control of the transfer, the transferred call cannot be returned to the
PBX for further handling even if the transfer fails.
[Blind Transfer]
•
ISDN extensions and SIP extensions cannot use this feature.
•
This feature cannot be used when calling through DISA (→ 2.16.1 Direct Inward System Access (DISA)).
Installation Manual References
4.4 Virtual Cards
Operating Manual References
1.4.1 Transferring a Call (Call Transfer)—Transferring to an Outside Party Using the SIP Service
PC Programming Manual References
9.11 PBX Configuration—[1-1] Configuration—Slot—V-SIPGW128—Port Property—Supplementary Service
→ Blind Transfer(REFER)
→ Attended Transfer(REFER)
150
Feature Manual
Transfer is completed after announcing the transferred party.
From the extension user's perspective, this is the same as
Call Transfer with Announcement (→ 2.12.1 Call Transfer).
Transfer is completed immediately after dialling the transfer
destination's number.
This is similar to Call Transfer without Announcement (→
2.12.1 Call Transfer), except that the transferrer does not
hear even a ringback tone; the transferred call is connected
directly to the destination.
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