TELES VoIP Box BRI Series, Reference Manual

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2 Overview
VoIPBox DSL / VoIPBox BRI – version 21.0.009 Page 24
This chapter gives you an overview of the VoIPBox DSL /
VoIPBox BRI box. Lists all types of box, the features offered
and describes two implementation scenarios.
The VoIPBox BRI is a media converter that facilitates the con-
nection of ISDN service equipment with a voice over IP (VoIP)
network. It converts line-based transmission on the ISDN side
to packet-based transmission in the IP network and vice ver-
sa. Incoming traffic arrives at one VoIPBox, which routes the
calls accordingly, depending on the call’s destination and at-
tributes. The VoIPBox is available with two, four, or eight BRI
ports.
The VoIPBox BRI Family includes the following variations:
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VoIP Box DSL 2
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VoIP Box DSL 4
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VoIP Box DSL 8
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VoIPBox BRI 2
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VoIPBox BRI 4
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VoIPBox BRI 8
2.1 Features
VoIP
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up to 16 media channels
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H.323 v.4 / SIP v.2 signaling (RFC 3261), operating in
parallel
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Various audio codecs: G.711, G.729
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Fax: T.38 fallback to G.711
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Data: clear channel (RFC 4040)
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ENUM client
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Echo cancellation G.168–2000
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Silence suppression, comfort noise generation, voice
activity detection
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Support for multiple gatekeepers and multiple registrars