Operation Manual

Name Description
Authenticate Incoming INVITE Specifies whether the phone challenges the
incoming INVITE for authentication with SIP 401
Unauthorized response.
Related links
Administering through the Web GUI on page 19
Configuring the accounts audio settings
Procedure
1. Click Accounts > Account 1 > Audio Settings.
The system displays the Audio Settings page.
2. Enter the required details for each field.
3. Click Save.
Related links
Administering through the Web GUI on page 19
Accounts audio settings field descriptions
Name
Description
Send DTMF Specifies the mechanism to transmit DTMF digits.
You can select from the following options:
• in-audio
• via RTP (RFC2833)
• via SIP INFO
DTMF Payload Type Specifies the payload type for DTMF as specified in
RFC2833.
Preferred Vocoder - choice 1 Specifies the first preferred vocoders that the phone
includes in the same preference order in the SDP
message.
Preferred Vocoder - choice 2 Specifies the second preferred vocoders that the
phone includes in the same preference order in the
SDP message.
Table continues…
Administering through the Web GUI
January 2016 Administering Avaya E129 SIP Deskphone 28
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