Lancom 1722 VoIP User Manual page 78

LANCOM 1722 VoIP – LANCOM 1724 VoIP
Chapter 5: Configuring Voice over IP
VoIP softphone
Internal number '14'
PCs in the LAN
ISDN PBX
ISDN telephones
Internal numbers '11' and '12'
Target
Requirements
78
VoIP telephone
Internal number '15'
LAN
LANCOM
analog fax
Internal number '13'
Internal telephony with ISDN and SIP telephones and SIP softphones.
External telephony with ISDN and SIP terminal equipment over ISDN.
Accessing internal terminal equipment (ISDN and SIP) via the MSNs.
LANCOM connected to the LAN and WAN, an ISDN NT interface is linked
to the outside line exchange on the ISDN PBX. The Internet connection
has been set up.
A telephone number plan with a unique internal telephone number for all
terminal equipment to be connected. In general, the numbers used are
predetermined by the PBX, which often only allows certain number
ranges.
A SIP provider account.
ADSL
ISDN
SIP provider with the follow-
ing account information
Domain: sipprovider.com
Telephone number: 0123-
456 789
Internet
ISDN connection
MSNs: 0123-555 555 1 to
0123-555 555 9
ISDN