Panasonic KX-TDA0480, Руководство по установке

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Glossary
Installation Manual 165
Glossary
10BASE-T
10BASE-T is a LAN transmission line specification stipulated in 1990 by IEEE.
Transmission speed is 10 Mbps and the modulation technique is base-band modulation. The
cable uses unshielded twisted pair, similar to a telephone wire.
A-law
The PCM coding and compression standard used in Europe and in areas outside of North
America influence. A Law Encoding is the method of encoding sampled audio waveforms
used in 2.048Mbps, 30 channel PCM primary system known as E-carrier.
AGC
Automatic Gain Control is a feature of the KX-TDA0480 that allows the unit to
automatically adjust the incoming voice signal to a user defined level in dBm.
Alphanumeric method
Encoding method of H.245 when transferring DTMF signals on an IP network. Although
the purpose of this method is to transfer keypad input information, DTMF signals can also
be transferred. For the KX-TDA0480, the method is selected when the communicating
party is H.245 V3 or later.
Audible signal tones
Audible signal tones are identification tones used to control the connection process or
provide status to telephone calling and called parties. The tones include dial tone (DT), busy
tone (BT), ring-back tone (RBT), special dial tone (SDT), connection restriction tone
(RDT), howler tone (HWT), and ring (RI).
Automatic drop out
The KX-TDA0480 function that automatically stops sending the ringing signal to the called
side and automatically returns the line to an idle state when a received call is terminated by
the calling party.
KX-TDA0480
KX-TDA0480 is the model name for the Internet Voice Gateway, a device that achieves, via
an IP (Internet Protocol) network, voice communication by a telephone set.