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 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).
Blind 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.
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
9.10 PBX Configuration—[1-1] Configuration—Slot—Port Property—V-SIPGW—Supplementary Service
→
Blind Transfer(REFER)
→ Attended Transfer(REFER)
192 Feature Manual
2.12.2 SIP Refer Transfer
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