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Siemens HiPath 3000 Administration Manual

Siemens HiPath 3000
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Glossary Nur für den internen Gebrauch
A31003-S2010-M100-18-76A9
6-2 OpenStage HFA Family, Administration Manual
bkglos.fm
DTMF
Dual Tone Multi Frequency. A means of signaling between a phone and e. g. a voicemail
facility. The signals can be transmitted either in-band, i. e. within the speech band, or out-
band, i. e. in a separate signaling channel.
E
EAP
Extensible Authentication Protocol. An authentication framework that is frequently used in
WLAN networks. It is defined in RFC 3748.
F
FTP
File Transfer Protocol. Used for transferring files in networks, e. g., to update telephone
software.
G
G.711
ITU-T standard for audio encoding, used in ISDN and -> VoIP. It requires a 64 kBit/s band-
width.
G.722
ITU-T standard for audio encoding using split band -> ADPCM. The audio bandwidth is 7
kHz at a sampling rate of 16 kHz. There are several transfer rates ranging from 32 to 64
kBit/s, which correspond to different compression degrees. The voice quality is very good.
G.729
ITU-T standard for audio encoding with low bandwidth requirements, mostly used in VoIP.
The standard bitrate is 8 kBit/s. Music or tones such as -> DTMF or fax tones cannot be
transported reliably with this codec.
Gateway
Mediation components between two different network types, e. g., -> IP network and ISDN
network.
H
HTTP
Hypertext Transfer Protocol. A standard protocol for data transfer in -> IP networks.

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Siemens HiPath 3000 Specifications

General IconGeneral
BrandSiemens
ModelHiPath 3000
CategoryTelephone
LanguageEnglish

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