Yealink SIP T46G Administrator's Manual page 300

Format
Default Value
Range
Example
Parameter-
account.x.dtmf.type
Description
Format
Default Value
Range
2-RFC 4916 (Derives the name and number
of the callee from ―From‖ header in the
Update message).
When the RFC 4916 is enabled on the IP
phone, the caller sends the SIP request
message which contains the from-change
tag in the Supported header. The caller then
receives an UPDATE message from the
callee, and displays the identity in the From
header.
X ranges from 1 to 6.
Integer
0
0 to 2
account.1.cp_source = 2
Configuration File
<MAC>.cfg
Specifies the DTMF type for account X.
If set to 0 (INBAND), DTMF digits are
transmitted in the voice band (G.711).
If set to 1 (RFC 2833), DTMF digits are
transmitted by RTP Events compliant to RFC
2833.
If set to 2 (SIP INFO), DTMF digits are
transmitted by the SIP INFO messages.
If set to 3 (AUTO+SIP INFO), negotiates with
the other end to use INBAND or RFC 2833, if
there is no negotiation, using SIP INFO by
default.
X ranges from 1 to 6.
Integer
1
Valid values are:
0-INBAND
1-RFC 2833
Appendix
287