AudioCodes Mediant 3000 User Manual page 904

Parameter
DM]
Web: Enable QSIG Transfer
Update
[EnableQSIGTransferUpdate]
EMS: CAS Detection Of Hook
Flash
[CASSendHookFlash]
User's Manual
call transfer failure. When this feature is enabled and an ISDN call
transfer failure occurs, the device sends a SIP NOTIFY message
with a SIP 603 Decline response.

[0] = (Default) The device performs a hairpin TDM transfer upon
ISDN call transfer.

[1] = Hairpin TDM transfer is disabled.
Determines whether the device interworks QSIG Facility messages
with CallTranferComplete or CallTransferUpdate invoke application
protocol data units (APDU) to SIP UPDATE messages with P-
Asserted-Identity and optional Privacy headers. This feature is
supported for IP-to-Tel and Tel-to-IP calls.

[0] Disable = (Default) Ignores QSIG Facility messages with
CallTranferComplete or CallTransferUpdate invokes.

[1] Enable
For example, assume A and C are PBX call parties and B is the SIP
IP phone:
A calls B; B answers the call.
1
A places B on hold and calls C; C answers the call.
2
A performs a call transfer (the transfer is done internally by the
3
PBX); B and C are connected to one another.
In the above example, the PBX updates B that it is now talking with
C. The PBX updates this by sending a QSIG Facility message with
CallTranferComplete invoke APDU. The device interworks this
message to a SIP UPDATE message containing a P-Asserted-
Identity header with the number and name derived from the QSIG
CallTranferComplete RedirectionNumber and RedirectionName.
Notes:

For IP-to-Tel calls, the RedirectionNumber and RedirectionName
in the CallTRansferComplete invoke is derived from the P-
Asserted-Identity and Privacy headers in the received SIP INFO
message.

To include the P-Asserted-Identity header in outgoing SIP
UPDATE messages, set the AssertedIDMode parameter to Add
P-Asserted-Identity.
Enables sending Wink signal toward CAS trunks.

[0] = Disable (default)

[1] = Enable
If the device receives a mid-call SIP INFO message with flashhook
event body (as shown below) and this parameter is set to 1, the
device generates a wink signal toward the CAS trunk. The CAS
wink signal is done by changing the A bit from 1 to 0, and then back
to 1 for 450 msec.
INFO sip:4505656002@192.168.13.40:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.13.2:5060
From: <sip:06@192.168.13.2:5060>
To:
<sip:4505656002@192.168.13.40:5060>;tag=13287879
6-1040067870294
Call-ID: 0010-0016-D69A7DA8-1@192.168.13.2
CSeq:2 INFO
Content-Type: application/broadsoft
Content-Length: 17
904
Description
Document #: LTRT-89738
Mediant 3000