
LANCOM 1722 VoIP – LANCOM 1724 VoIP
Chapter 1: Introduction
37
EN
SIP trunking for mapping SIP accounts with main external telephone
numbers and extensions.
✔
✔
Registration at and switching to upstream SIP PBXs
✔
✔
Individual/shared password for authentication
✔
✔
Automatic registration and forwarding of SIP users
✔
✔
Automatic bandwidth management and prioritization of SIP connec-
tions
✔
✔
Number of local subscribers
32 x SIP
40 x
ISDN
32 x SIP
40 x
ISDN
SIP/ISDN gate-
way
Free choice from available ISDN S0 buses
✔
✔
Operation at exchange lines or extension lines
✔
✔
Operation at point-to-multipoint lines or point-to-point lines
✔
✔
Automatic registration and authentication of local ISDN subscribers as
SIP users
✔
✔
Registration of ISDN subscribers as SIP users at upstream SIP PBXs
✔
✔
Switching between local and remote ISDN and SIP users
✔
✔
Remote gateway function for mapping local ISDN lines to a remote SIP
PBX
✔
✔
ISDN supplementary services CLIP, CLIR
✔
✔
En-block and individual dialing with adjustable wait time until comple-
tion
✔
✔
Call router
Central switching of all connections (SIP and ISDN)
✔
✔
Number translation by mapping, numeral replacement and number
supplementation
✔
✔
Rules for routing according to dialed, outgoing call number, line and
domain
✔
✔
Multiple cycles, also forced after number replacement
✔
✔
Up to two destinations per routing rule as a backup
✔
✔
Rule-based rejection of calls
✔
✔
Supplmentation of call-number prefixes per line
✔
✔
LANCOM
17
22 V
o
IP
LANCOM
17
24 V
o
IP