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4.1 Public Network Features
4.1.1 SIP (Session Initiation Protocol) Trunk
Description
Through a V-SIPGW card, the PBX can connect to an Internet telephony service provided by an ITSP (Internet
Telephony Service Provider).
An ITSP provides its telephony service partly through the conventional telephone network (e.g., ISDN and
Mobile), which is fee-based. An ISP (Internet Service Provider), which can also act as a SIP provider, does
not provide the telephone connection itself. However, providing its users with Internet access, an ISP provides
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
ISP
ITSP
Router
Switching
Hub
V-SIPGW
PBX
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.
378
Feature Manual
4.1.1 SIP (Session Initiation Protocol) Trunk
Содержание KX-NS700
Страница 16: ...16 Feature Manual Table of Contents...
Страница 17: ...Section 1 For Your Safety Feature Manual 17...
Страница 20: ...20 Feature Manual 1 1 1 For Your Safety...
Страница 21: ...Section 2 Call Handling Features Feature Manual 21...
Страница 42: ...PT Programming Manual References 720 Doorphone Call Destination 42 Feature Manual 2 1 2 Internal Call Features...
Страница 59: ...632 Maximum Number of Agents Feature Manual 59 2 2 2 Incoming Call Distribution Group Features...
Страница 109: ...Operating Manual References 1 2 1 Basic Calling Feature Manual 109 2 5 4 Trunk Call Features...
Страница 176: ...Feature Manual References 2 21 2 Flexible Buttons 176 Feature Manual 2 11 6 Flash Recall Terminate...
Страница 195: ...Operating Manual References 1 4 2 Holding a Call Feature Manual 195 2 13 1 Call Hold...
Страница 230: ...Operating Manual References 1 7 1 Paging 1 7 2 Answering Denying a Paging Announcement 230 Feature Manual 2 17 1 Paging...
Страница 326: ...326 Feature Manual 2 30 2 Outgoing Message OGM...
Страница 327: ...Section 3 Unified Messaging System Feature Manual 327...
Страница 377: ...Section 4 Network Features Feature Manual 377...
Страница 466: ...466 Feature Manual 4 3 6 Network ICD Group...
Страница 467: ...Section 5 System Configuration and Administration Features Feature Manual 467...
Страница 507: ...Feature Manual References 6 1 Capacity of System Resources Feature Manual 507 5 2 4 Portable Station PS Features...
Страница 560: ...560 Feature Manual 5 5 7 PING Confirmation...
Страница 561: ...Section 6 Appendix Feature Manual 561...
Страница 578: ...578 Feature Manual 6 5 6 PFMPR Software File Version 004 6xxxx...
Страница 579: ...Feature Manual 579 Notes...