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Universal Network Terminal TAU-32M.IP 271
ringback_sdp
Transfer of 'ringback' tone upon receiving
'183 Progress' message
0 – when an incoming call is received, the
gateway will generate a ringback tone and
will reply 183 ringing.
1 – when an incoming call is received, the
gateway will generate a ringback tone and
send it to the communicating gateway in
the voice frequency path. Voice frequency
path forwarding will be performed along
with '180 ringing' message transmission via
SIP protocol;
2 – when an incoming call is received, the
gateway will generate a ringback tone and
send it to the communicating gateway in
the voice frequency path. Voice frequency
path forwarding will be performed along
with '183progress' message transmission via
SIP protocol.
3 – when an incoming call is received, the
gateway will generate a ringback tone and
will reply 183 progress.
100rel
Utilization of reliable provisional responses
(RFC3262)
0—reliable provisional responses are
supported
1—reliable provisional responses are
mandatory
2—reliable provisional responses are
disabled
no_replaces
Usage of 'replaces' tag during 'Call Transfer'
0–enable
1–disable
mode
SIP server operation mode (SIP-proxy)
0–disable
1—SIP-proxy redundancy mode without
main SIP-proxy management
2—SIP-proxy redundancy mode with main
SIP-proxy management
user_phone
Usage of 'User=Phone' tag in SIP URI
0 – disable
1 – enable
uri_escape_hash
Transfer of hash symbol (#) in SIP URI
0—as '#' symbol
1—as escape sequence '%23'
dtmfmime
MIME extension type used for DTMF
transmission in SIP protocol INFO messages
dtmf—DTMF is sent in application/dtmf
extension ('*' and '#' are sent as digits 10
and 11)
dtmfr—DTMF is sent in application/dtmf-
relay extension ('*' and '#' are sent as
symbols '*' and '#')
audio – DTMF is transmitted in the
extension audio/telephone-event (* and #
are transmitted as numbers 10 and 11)
hfmime
MIME extension type used for Flash
transmission in SIP protocol INFO messages
dtmf—flash is sent as 'signal=hf';
if application/dtmf is used, then the flash is
sent as the digit '16'
hookf—flash is sent in Application/ Hook
Flash extension (as 'signal=hf')