AudioCodes Mediant TP-1610 H.323 Manual de usuario Pagina 214

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Mediant 2000 & TP-1610 & TP-260
SIP User's Manual 214 Document #: LTRT-68805
8.5 ThroughPacket™
The gateway supports a proprietary method to aggregate RTP streams from several
channels to reduce the bandwidth overhead caused by the attached Ethernet, IP, UDP and
RTP headers, and to reduce the packet / data transmission rate. This option reduces the
load on network routers and can typically save 50% (e.g., for G.723) on IP bandwidth.
ThroughPacket™ is accomplished by aggregating payloads from several channels that are
sent to the same destination IP address into a single IP packet.
ThroughPacket™ can be applied to the entire gateway or, using IP Profile, to specific IP
destinations (refer to Section
5.5.6.3 on page 80). Note that ThroughPacket™ must be
enabled on both gateways.
To enable ThroughPacket™ set the parameter ‘RemoteBaseUDPPort’ to a nonzero value.
Note that the value of ‘RemoteBaseUDPPort’ on the local gateway must equal the value of
‘BaseUDPPort’ of the remote gateway. The gateway uses these parameters to identify and
distribute the payloads from the received multiplexed IP packet to the relevant channels.
In ThroughPacket™ mode, the gateway uses a single UDP port for all incoming
multiplexed packets and a different port for outgoing packets. These ports are configured
using the parameters ‘L1L1ComplexTxUDPPort’ and ‘L1L1ComplexRxUDPPort’.
When ThroughPacket™ is used, Call statistics aren’t available (since there is no RTCP
flow).
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