voice communication on the Internet for free. In this way, with VoIP technology based on the SIP protocol, the
cost of voice communication can be much cheaper than conventional telephone networks.
PC
LAN
(Local Area Network)
WAN (Wide Area Network)
Internet
Local
Telephone
IP-PT
ITSP
Router
Switching
Hub
V-SIPGW16
PBX
ISP
Built in
Router
*1
*1
When the PBX is connected to an ISP and the built-in router is used, the router connected to the switching hub is not required.
Conditions
• A subscription with an ISP is required for an Internet connection.
• A subscription with an ITSP is required for a telephone connection. The ISP and ITSP may be part of the
same company.
Installation Manual References
4.4 Virtual Cards
8.3 SIP CO Lines
PC Programming Manual References
9.9 PBX Configuration—[1-1] Configuration
—Slot—V-SIPGW—Shelf Property
9.11 PBX Configuration—[1-1] Configuration—Slot—V-SIPGW—Port Property
Document Version 2016-03 Feature Manual 347
18.1.3 SIP (Session Initiation Protocol) CO Line
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