Lancom 1723 VOIP User Manual page 23

LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP
Chapter 1: Introduction
Users and lines
Telephony subscribers in internal areas can take part in voice communications
and, in the LANCOM VoIP environment, are referred to as "users". The
LANCOM differentiates between:
The external paths of communication available to the users are known as
"lines". The LANCOM differentiates between the following lines:
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SIP Phone
PC / Softphone
ISDN PBX
ISDN
ISDN Phone
POTS
Analog Phone
Analog FAX
ISDN users
A maximum of 40 terminal devices connected over the ISDN network,
including ISDN and analog devices connected to an upstream ISDN PBX.
When connecting downstream PBXs to point-to-point lines, the number
of possible ISDN subscribers is determined by the length of the extension
number (DDI). In this case, all of the telephones and terminal equipment
connected to the PBX can be mapped with a single ISDN user entry.
Analog users
Two devices connected to the analog interfaces
SIP users
A maximum of 32 SIP terminal devices connected over LAN, WLAN and
DMZ and analog devices connected with an ATA.
SIP Server
VoIP Router
ISDN
ISDN Phone
POTS
Analog Phone
SIP PBX
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