System Data Nur für den internen Gebrauch
A31003-H3590-S100-7-7620, 06/2012
2-48 HiPath 3000/5000 V9, Service documentation
sysdat.fm
Static Configuration Rules
In a straightforward IP network, the number of gateway channels must be greater than or equal
to the number of TDM lines.
The required number of HG 1500 boards for VoIP is determined by the sum of the gateway
channels, MOH channels, and conference channels.
IP/IP e2e payload via enterprise proxy
HiPath 3000/5000 as of V7 R2 supports “IP/IP e2e payload switching via enterprise proxy” for
Internet (DSL) telephony (enterprise proxy: also RTP proxy). This means that, for Internet
(DSL) telephony, data packets do not need to be processed by the digital signal processors of
the system. Instead, the calls (i.e. payload data) are directed from the telephone over the LAN
and via routers to the Internet Telephony Service Provider (ITSP), and back again. As a result,
no gateway channels (DSP channels) are needed for ITSP connections. The maximum num-
ber of simultaneous calls depends on the selected codec and the available bandwidth of the
Internet (DSL) service.
In order to enable “IP/IP e2e payload switching via enterprise proxy”, the “Use RTP Proxy” flag
must be activated in the WBM of the HG 1500.
Table 2-29 Number of Required Gateway Channels (HG 1500 Boards)
IP workpoint clients in the system Required number of gateway channels
0 – 3 2
4 – 12 4
13 – 16 6
17 – 38 8
39 – 54 10
55 – 70 12
71 – 86 14
87 – 96 15
97 – 101 16
102 – 136 20
137 – 172 24
173 – 210 28
211 – 247 32
248 – 324 40
325 – 402 48
403 – 481 56
482 – 562 64
563 – 726 80
727 – 890 96
891 – 1000 112
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