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P31003-H3550-S403-4-7620, 02/05
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
10-69
Workpoint Clients
IP Telephony (Voice over IP)
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
10.6.4.2.2 MOH Channels (G.711, G.723, G.729)
A DSP channel is used to provide MOH for IP workpoint clients. Depending on the configuration
(HiPath 3000 Manager E), up to five DSP channels can be used for MOH.
A maximum of 10 MOH data streams per HG 1500 board are possible. This means that up to
10 IP workpoint clients can simultaneously hear MOH.
A DSP channel is required for each codec (G.711, G.723, G.729), irrespective of the number
of MOH data streams. If more than 10 MOH data streams are required, additional HG 1500
boards must be used.
A B channel license is not required for MOH.
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
Table 10-9 Number of Required Gateway Channels (HG 1500 Boards)
IP workpoint clients in the system Required number of gateway channels
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