Specifications

hg-a.fm
A31003-H3580-M103-2-76A9, 01-2009
HiPath 3000/5000 V8 - HG 1500 V8, Administrator Documentation
A-9
Nur für den internen Gebrauch
Terms and Abbreviations
PPPoE
PPP over Ethernet. Use of the PPP network protocol over an Ethernet connection. PPPoE
is currently used in Germany for ADSL connections.
PPTP
Point-to-Point Tunneling Protocol. Microsoft protocol for creating a Virtual Private Network
(VPN); it supports PPP tunneling by an IP network.
PRI
Abbreviation of "Primary Rate Interface". A PRI is an ISDN interface comprising 23 (TS1)
or 30 (TS2) B channels each with a capacity of 64 Kbps and one D channel with a capacity
of 16 Kbps.
PSTN
Abbreviation of "Public Switched Telephone Network". PSTN is the worldwide public tele-
phone network.
Q
Q.931
Q.931 is a call signaling protocol for setting up and clearing down calls.
QCU
Abbreviation for "QoS Monitoring Control Unit“.
QDC
Abbreviation for "Quality of Service Data Collection“.
The HiPath IP service QDC is a tool that collects data on HiPath products. This data is used
to analyze the voice and network quality of the products.
QSIG
QSIG is a protocol for networking nodes which has been adapted by the ITU-T (Interna-
tional Telecommunication Union – Telecommunication Standardization Sector). QSIG can
be used to network PBXs from different manufacturers.
QoS
Quality of Service. Prioritization of IP data packets on the basis of specific features and
ISDN properties. This means that voice over IP (VoIP) transmissions that need a delay-free
and continuous date stream, for example, can be given a higher priority than downloads
from file servers or Web page callups.
R
RAS
Registration/Admission/Status is a protocol that regulates signaling between client and
gateway in the area of automatic detection and registration.