http://www.DBL.com FXS+FXO Gateway Series
45
A) RAS Port
RAS is communications protocol of Terminal and Gatekeeper, and state information of
transferring login information, login information, broadband, and the relationship of the 2
H.323. This option can designate the UDP of this protocol, can be used by the router's port
mapping.
B) Call signaling port (Q.931)
H.225-Q931 is call-control protocol of H.323, use to transfer the call-setting and uninstall
information between the 2 H.323. This option can designate the terminal that receive the
calling from Q.931 port, can be used by the router's port mapping.
C) Media Control Port (H.245 Port)
H.245 is media control port of H.323. This option can designate the Terminal that receive
the calling from port connected to H.245, can be used by the router's port mapping.
D) Quick Connect
Use to check and solve compatibility problems. If uncertain, do not choose this option.
E) Registration Mode
Use to compatible different PBX, do not need to configure under normal circumstances.
F) DTMF Signaling
By using DTMF, the telephone transfer phone-signal to call clearinghouse by audio tape.
That is to say, two different frequencies of sound are combined into 16 kind of tone.
Telecommunications or telecom service hotline like 1860 identifies these special sounds by
DSP, which use to certain the dial-number. DTMF has 2 styles: Inband and Outband.
Summary of Contents for HTM series
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