AudioCodes Mediant 500L MSBR

User's Manual 67. Configuration Parameters Reference
Version 6.8 917 Mediant 500L MSBR
Parameter Description
waiting and the phone is changed from offhook to onhook, the call is
released (and the device sends a SIP BYE to the IP).
Notes:
 This parameter is applicable only to FXS interfaces.
 This parameter is typically used for MLPP, allowing preemption to
clear held calls.
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.