AudioCodes Mediant 500 E-SBC, User Manual

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User's Manual 54. Configuration Parameters Reference
Version 6.8 811 Mediant 500 E-SBC
Parameter Description
CLI: dtmf-during-hold
[PlayDTMFduringHold]
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.
54.10.5.5 Call Transfer Parameters
The call transfer parameters are described in the table below.
Table 54-45: Call Transfer Parameters
Parameter Description
Web/EMS: Enable Transfer
CLI: 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.
Notes:

To use call transfer, the devices at both ends must support
this option.

To use call transfer, set the parameter EnableHold to 1.
Web: Transfer Prefix
EMS: Logical Prefix For Transferred
Call
CLI: 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.
Notes:

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.

This parameter can be used to apply different manipulation
rules to differentiate transferred / forwarded number from
the originally dialed number.
Web: Transfer Prefix IP 2 Tel
CLI: 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). This
parameter is applicable to 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: This 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.
Web/EMS: Enable Semi-Attended
Transfer Determines the device behavior when Transfer is initiated
while in Alerting state.