Alvarion Technologies Ltd. BMAX-BA36 ユーザーズマニュアル
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System Description
Chapter 1 - System Description
1.3
Networking Equipment
The Base Station is connected to the backbone through standard data
communication and telecommunication equipment. The NPU aggregates the
traffic from all AUs, connecting to the backbone through a 100/1000 Base-T port.
communication and telecommunication equipment. The NPU aggregates the
traffic from all AUs, connecting to the backbone through a 100/1000 Base-T port.
The point-to-point link from the Base Station to the backbone can be either wired
or wireless.
or wireless.
Alvarion offers the DUET 6004, a V5.2 to SIP Access Gateway connecting a Class
5 switch over V5.2 to its’ Voice Gateways.
5 switch over V5.2 to its’ Voice Gateways.
1.3.1
DUET 6004 Access Gateway
The DUET 6004 is a carrier-grade V5.2 to SIP gateway, connecting a Class 5
switch over V5.2 to Alvarion's SIP stand alone Voice Gateways (VG-1D1V and
VF-1D2V) or Voice Gateway IDUs (IDU-1D1V and IDU-1D2V).
switch over V5.2 to Alvarion's SIP stand alone Voice Gateways (VG-1D1V and
VF-1D2V) or Voice Gateway IDUs (IDU-1D1V and IDU-1D2V).
A Local Exchange (LE) with the DUET 6004 support basic and advanced
telephony services as CLASS services, IN services and others. The DUET can be
either collocated with the BreezeMAX Base Station or installed at the LE premises
concentrating the traffic of many Base Stations.
telephony services as CLASS services, IN services and others. The DUET can be
either collocated with the BreezeMAX Base Station or installed at the LE premises
concentrating the traffic of many Base Stations.
The LE switch provides the call processing, billing and administrative functions,
while the DUET provides the signaling translation and media conversion:
while the DUET provides the signaling translation and media conversion:
Signaling Translation: converting the V5.2 signaling into SIP commands and
vice versa.
vice versa.
Media Conversion: converting media formats such as PCM to G.729A and
others. It also provides additional media related services such as Echo
Canceling and others.
others. It also provides additional media related services such as Echo
Canceling and others.
Outbound SIP Proxy: The DUET operates as outbound SIP proxy for the Voice
Gateways. All outbound calls from the user agents are sent to the DUET. Note
that the DUET does not support SIP-to-SIP calls and all calls are always
passed to the switch via the V5.2 interface.
Gateways. All outbound calls from the user agents are sent to the DUET. Note
that the DUET does not support SIP-to-SIP calls and all calls are always
passed to the switch via the V5.2 interface.
Registration: Processing registration requests of the SIP Voice Gateways
connected to the BreezeMAX CPE.
connected to the BreezeMAX CPE.
The DUET complies with the V5.2 interface standard second edition and the SIP
RFC 3261, "SIP: Session Initiation Protocol", making it a certified means to
RFC 3261, "SIP: Session Initiation Protocol", making it a certified means to