AudioCodes Mediant 800B User Manual

User's Manual 1200 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
72.11.5.6 Call Transfer Parameters
The call transfer parameters are described in the table below.
Table 72-49: Call Transfer Parameters
Parameter Description
Enable Transfer
configure voip > gateway dtmf-
supp-service supp-service-settings
> enable-transfer
[EnableTransfer]
Enables the Call Transfer feature.
 [0] Disable
 [1] Enable = (Default) The device responds to a REFER
message with the Referred-To header to initiate a call
transfer. For analog interfaces: If the transfer service is
enabled, the user can activate Transfer using hook-flash
signaling. If this service is enabled, the remote party
performs the call transfer.
Note:
 To use call transfer, the devices at both ends must support
this option.
 To use call transfer, set the parameter EnableHold to 1.
Transfer Prefix
configure voip > gateway dtmf-
supp-service supp-service-settings
> transfer-prefix
[xferPrefix]
Defines the string that is added as a prefix to the
transferred/forwarded called number when the REFER/3xx
message is received.
Note:
 The number manipulation rules apply to the user part of the
Refer-To and/or Contact URI before it is sent in the INVITE
message.
 The parameter can be used to apply different manipulation
rules to differentiate the transferred/forwarded call number
from the originally dialed number.
Transfer Prefix IP 2 Tel
xfer-prefix-ip2tel
[XferPrefixIP2Tel]
Defines the prefix that is added to the destination number
received in the SIP Refer-To header (for IP-to-Tel calls). The
parameter is applicable to FXO/CAS blind transfer modes, i.e.,
LineTransferMode = 1, 2 or 3, and TrunkTransferMode = 1 or 3
(for CAS).
The valid range is a string of up to 9 characters. By default, no
value is defined.
Note: The parameter is also applicable to ISDN Blind Transfer,
according to AT&T Toll Free Transfer Connect Service (TR
50075) “Courtesy Transfer-Human-No Data”. To support this
transfer mode, you need to configure the parameter
XferPrefixIP2Tel to "*8" and the parameter TrunkTransferMode
to 5.
Enable Semi-Attended Transfer
semi-att-transfer
[EnableSemiAttendedTransfer]
Determines the device behavior when Transfer is initiated while
in Alerting state.
 [0] Disable = (Default) Send REFER with the Replaces
header.
 [1] Enable = Send CANCEL, and after a 487 response is
received, send REFER without the Replaces header.
Blind
configure voip > gateway analog
keypad-features > blind-transfer
Defines the keypad sequence to activate blind transfer for
established Tel-to-IP calls. The Tel user can perform blind
transfer by dialing the KeyBlindTransfer digits, followed by a

AudioCodes Mediant 800B Specifications

General

Brand	AudioCodes
Model	Mediant 800B
Category	Gateway
Language	English