Call Transfer Parameters - AudioCodes Mediant 1000B User Manual

User's Manual
Parameter
configure voip > gateway
dtmf-supp-service supp-
service-settings > dtmf-
during-hold
[PlayDTMFduringHold]
65.10.5.6

Call Transfer Parameters

The call transfer parameters are described in the table below.
Parameter
Enable Transfer
configure voip > gateway dtmf-
supp-service supp-service-settings
> enable-transfer
[EnableTransfer]
Transfer Prefix
configure voip > gateway dtmf-
supp-service supp-service-settings
> transfer-prefix
[xferPrefix]
Transfer Prefix IP 2 Tel
xfer-prefix-ip2tel
[XferPrefixIP2Tel]
Version 7.2
held calls.
Determines whether the device sends DTMF signals (or DTMF SIP INFO
message) when a call is on hold.

[0] = (Default) Disable.

[1] = Enable - If the call is on hold, the device stops playing the Held
tone (if it is played) and sends DTMF:

To Tel side: plays DTMF digits according to the received SIP
INFO message(s). (The stopped held tone is not played again.)

To IP side: sends DTMF SIP INFO messages to an IP destination
if it detects DTMF digits from the Tel side.
Table 65-47: Call Transfer Parameters
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.
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.
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
1137
65. Configuration Parameters Reference
Description
Description
Mediant 1000B Gateway & E-SBC