Konftel 800 Installation & Administration page 63

SETTINGS CONFIGURATION AND MANAGEMENT
String
<method>
<rfc4733_payload_type>
<nat_traversal>
<ice>
Description
To configure the Dual-tone multi-frequency (DTMF)
signaling method. The options are the following:
• . With this method, DTMF signals are
RFC 4733
carried in RTP packets by using a separate RTP
payload format. This is the default option.
• . With this method, the DTMF signals
SIP Info
are sent as SIP requests. The SIP switch
creates the tones if the call is transferred to the
PSTN.
• . With this method, the phone generates
In-band
the tones and sends them in the voice
frequency band. This is the least preferred
method for interoperability.
Terminology reference
: DTMF Method
Web interface
: DTMF Method
Phone UI
To specify the DTMF payload media value to use
in SIP negotiations. The value range is from 96 to
127. The default setting is 101.
Terminology reference
: RFC 4733 payload type
Web interface
: RFC 4733 payload type
Phone UI
The top line of the Network Address Translation
Traversal (NAT) section.
The top line of the Interactive Connectivity
Establishment (ICE) section.
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