ASCOM Ascotel 2025 System Manual page 1131

ascom Ascotel 2025/2045/2065
Private Numbering Plan (PNP)
Private Signalling System (PSS1)
Private leased line network
Public network
Public Network Operator (PNO)
Point-to-point protocol
Q
QSIG protocol (PSS1)
R
Radio unit (RU)
Remote data transmission (RDT)
Remote maintenance
Restart
Router
Ring-back tone
9.14 Glossary
1. Service offered by the network provider. Essentially a virtual
counterpart to a PBX numbering plan. Most important
component of a ® virtual PBX.
2. Parameter value of parameter ® NPI
® QSIG
Private network implemented using dedicated lines. In the PBX
configuration a distinction often has to be made between the
private leased line network and the public network.
Telephony and data network accessible to everyone, operated
by the public network provider ( ® Public Network Operator)
Public network provider
Protocol used for transmitting data via serial connections while
making full use of the TCP/IP standard.
1. ECMA-standardized signalling protocol used for network-
ing several ® PINXs. Now standardized worldwide (ISO/
IEC) under the name PSS1.
2. Parameter value of the "Protocol" trunk group parameter.
The system supports 2 versions of the QSIG protocol: QSIG
(ETSI, 2nd edition) and QSIG/PSS1 ISO.
Transceiver (transmitter / receiver) for handsets.
Data transmission from one data carrier to another via a net-
work or by radio
PBX maintenance via the public or private network
Restarts the PBX (power off/on)
A communication processor between data networks that pro-
vides the routing (i.e. determines the path for data transmis-
sion and implements the transmission).
® Tone signalling in the handset
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