User`s guide

Dialogic
®
1000 and 2000 Media Gateway Series User’s Guide 93
Parameter Reference
Early Media Requires Reliable Provisional Responses
Description: Specifies that Early-Media is only available if reliable provisional responses
(PRACK) are supported or required on the call.
Allowed Values:
• Yes
• No
Default Value = No
INI File Parameter Name = sipEarlyMediaReqRelProvRsp
3.5.2 Audio Group
The Audio subgroup includes the following parameters:
• Signaling Digit Relay Mode
• Voice Activity Detection
• Acceptable Media
• Continue Ringback on CN
• Packet Time for Inbound VoIP
• Digit Relay Mode
• Telephone-Event Payload Type
• G722 Enable
• Unhold on RE-INVITE with No SDP
Signaling Digit Relay Mode
Description: Specifies if out-of-band messages are used to transport DTMF tones between the
Media Gateway and VoIP endpoints. Specifically, when set to 'On', the Media Gateway will notify
VoIP endpoints of received DTMF digits on the TDM interface via an out-of-band message (e.g.
SIP INFO).
Note: The Media Gateway will accept out-of-band DTMF messages from VoIP endpoint to render DTMF
tones on the TDM interface regardless of the setting of this parameter.
Allowed Values:
• On
• Off
Default Value = Off
INI File Parameter Name = gwSigDigitRelay