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3 Configuration commands SIP commands
NN47928-107 131
rfc2833 off|on Enable/disable RFC 2833 for DTMF. RFC2833
provides out of band DTMF event reports.
Distortion from compression and
decompression can prevent recognition of pure
DTMF tones. Out-of-band DTMF sends the
information by separate RTP packets. The
default is yes.
payload type If RFC2833 is enabled, the RTP dynamic
payload type can be specified (96-127). The
default is 101.
mls Off|RFC3264|RFC2976
Enable/disable multi-line support. RFC2976
uses out-band DTMF signals (using the SIP
Signalling INFO method). The default is off.
mpt off|on Enable/disable modem pass-through and force
media to G.711 echo cancellation. Specify on
(enabled) if a modem is connected to the
BSGX4e. The default is off.
fax on|off|auto Enable/disable fax pass-through and either
force media to G.711 echo cancellation (on) or
enable re-negotiation of the CODEC with the
remote party to G.711 Echo Cancellation when
a fax tone is detected (auto). The default is off.
vad yes|no Enable/disable voice activity detection (silence
suppression). Enabling VAD allows the
BSGX4e to avoid sending silent RTP packets,
conserving resources. VAD can silence very low
sounds, lowering voice quality. If MLS and VAD
are both enabled, VAD packets are not
transmitted, but received VAD packets are
processed. The default is no (disabled).
up yes|no Enable/disable the SIP gateway port. The
default is no (disabled).
Example > config sip ua port 1 name uap1 userid uap1 authid uap1
password mysecret rfc2833 yes payload 96
Related
commands
del sip ua port
display sip ua port
show sip ua port
show sip ua status
show sip ua settings