Siemens HiPath 3000 Series, Service Documentation

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HiPath 3000/5000 in the LAN Network
Nur für den internen Gebrauch
A31003-H3590-S100-7-7620, 06/2012
13-4
HiPath 3000/5000 V9, Service documentation
h3h5_in_the_lan.fm
Standards Supported
13.2 Standards Supported
HiPath 3000/5000 V9 supports the standards listed in the following table.
“Clear Channel” transmission mode is characterized by the fact that signals are transmitted dig-
itally and the connection is bit-transparent. There is no compression. The transmission rate is
64 Kbps.
Table 13-1 Standards Supported
Standard Transmission rate
1
1 The bandwidth actually required in the LAN, for example, may be considerably higher. Here are some relevant factors:
– Data Link Layer used: Ethernet (with or without VLAN), PPP, Frame Relay ...
– Protocols with/without compression: RTP, UDP, IP
– Security: VPN tunnel ...
– Redundancy: For example T.38
– Packaging: the number of samples that are transported per package.
Notes
G.711 ITU standard for voice
codecs 64 Kbps ISDN voice quality
G.722 High-quality voice co-
dec 48, 56 or 64 Kbps Better voice quality than G.711
G.723.1 ITU standard for voice
codecs 5.3 or 6.3 Kbps Adequate voice quality
G.729 Group of ITU stan-
dards for voice codecs 8 Kbps Less delay and better voice quali-
ty than G.723.1
G.729A ITU standard for voice
codecs, based on
G.729 8 Kbps Less delay and better voice quali-
ty than G.723.1
G.729AB ITU standard for voice
codecs, based on
G.729A
8 Kbps Less delay and better voice quali-
ty than G.723.1
T.38 ITU standard for fax
transmission (Realtime
FAX) 14 Kbps Governs communication from
group 3 fax devices over IP net-
works