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VoIP subscriber gateways
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<timeout>6</timeout>
</hot-line-service>
If the enabling command is not received, the 'Hotline' service will be disabled.
–
XCAP name for call transfer
–
name of the XML element located in the 'Notify' message body
that is used for transmission of 'Three-way conference call' enabling/disabling commands. For
example, if the service name value is 'call-transfer', enabling command will be as follows:
< call transfer active="true"/>
Disabling command:
< call transfer active="false"/>
To save changes into operative memory of the device, click ‘Save’ button. To exit from editing mode
without saving, click ‘Cancel’ button.
List of codecs in preferred order:
–
Codec 1..4
– you may select a codec and an order of
their usage when connection is established. The
highest priority codec should be specified in the
'Codec 1' field. For operation, you should specify at
least one codec:
–
G.711
А
;
–
G.711U;
–
G.723;
–
G.729;
–
G.729A;
–
G.729B;
–
off
– codec will not be used.
–
Packetization time, ms (G.711 PTE)
– count of ms in
one RTP packet (for G.711A, G.711U and G.723
codecs);
–
DTMF transfer
– DTMF signal transmission method:
Inband
– inband transmission;
RFC2833
– according to RFC2833
recommendation, as a dedicated
payload in RTP voice packets;
SIP info
– transfer messages via SIP in
INFO requests.
–
Fax Direction
– determine call direction for which fax tone detection is permitted. After that the
transition to the fax codec will be performed:
No detect fax
– disable fax tone detection with saving fax transmission (transition to
the fax codec will be not initiated, but the transition will be performed by opposite
gateway);
Caller
– tones are detected only during fax transmission. During the fax
transmission, CNG FAX signal is detected from the subscriber line;
Callee
– tones are detected only during fax reception. During the fax reception, V.21
signal is detected from the subscriber line;
Caller and Callee
– tones are detected during the transmission as well as reception.
During the fax transmission, CNG FAX signal is detected from the subscriber line and
V.21 signal during the fax reception;