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COMpact 5000/R - Firmware V6.6A - Installation, Operation and Configuration V05 03/2016
Glossary
Terminology
S
S
S
0
Port
An S
0
port has two payload channels and a data channel. Two simultaneous connections are
possible on an S
0
port.
SD/SDHC/SD-XC Card
SD/SDHC/SC-XC cards are secure, digital memory cards that use flash-type storage (non-
volatile storage). Their special shape protects them from wrong insertion into the card slot. A
lateral device for write protection (sliding switch) protects them from accidental deletion of data.
SD cards can store up to 2 GB (SD 1.1 standard) whereas SDHC cards can store up to 32 GB
(SD 2.0 standard). SC-XC cards can store from 32 GB to - theoretically - 2.048 GB (SD 3.0
standard). Information on recommended memory cards can be found in the Internet (see
).
Server
A server is a computer or a software. Depending on the server type, it fulfils different tasks as
part of the network. It provides, for example, other users (clients) in this network with certain
information, data and services.
SIP
SIP (Session Initiation Protocol) is a network protocol which provides establishing a communi-
cation session between two ore more subscribers. Via SIP only communication conditions are
arranged. For actual data transmission other protocols are responsible, as RTP, for example.
SIP-DDI (SIP Trunking)
Some VoIP providers also support a VoIP PTP connection with a Direct Dial In option. The
provider allocates a PBX base number with additional Direct Dial In numbers (DDI numbers),
e.g., 9200–0.