232
C
HAPTER
10: SIP-M
ODE
O
PERATIONS
■
SIP mode is not supported on the NBX 100. See
Table 50
on
page 236
for detailed system platform support information.
■
SIP mode on an NBX system means standard SIP support (RFC 3261)
with no proprietary extensions to SIP. Third-party telephone features
that are dependent on non-standard SIP will not work. A SIP mode
system does not support secure SIP signaling or secure RTP. It does not
support NAT, firewalls, or RTP relay. Communication is over UDP only.
■
A SIP mode system uses Standard IP as the network protocol. If you
enable SIP on a system that uses Ethernet mode or IP on the Fly, the
system automatically switches to Standard IP. You typically configure a
DHCP server to provide IP information to devices and configure Option
184 on the DHCP server to provide the Call Processor IP address.
■
A SIP mode system can interoperate with any other SIP endpoint,
including gateways, devices, and SIP-enabled applications. For
example, a SIP mode system is able to interoperate with the 3Com
VCX Telephony System, a SIP-based system designed to support large
distributed enterprises.
■
3Com Telephones connected to a SIP mode system behave the same
as they do when running under 3Com call control mode except for
these differences:
■
Conferences can include up to three parties, the conference
originator, and two other conference parties, either internal or
external. The limit is four parties on a system that is not running in
SIP mode. However, the number of simultaneous conference
sessions supported in SIP mode increases beyond the current limit
of 12. For support for conferences that require more than 3 parties,
you can configure the optional 3Com IP Conferencing Module.
■
In SIP mode, the conference originator cannot forward, transfer,
camp on, or park a conference call.
■
The WhisperPage feature is not available on a system running in SIP
mode.
■
An external messaging application, typically the 3Com IP
Messaging Module, provides Voice mail and Auto Attendant
menus and prompts, and Music-on-Hold. NBX Messaging is
disabled when you enable SIP.
■
If you do not use an external conference server, these devices can
participate in a conference call:
■
3Com 3108 Wireless Telephone
Содержание 3C10402B
Страница 18: ...18 ...
Страница 22: ...22 ABOUT THIS GUIDE ...
Страница 26: ...26 CHAPTER 1 INTRODUCTION ...
Страница 74: ...74 CHAPTER 3 FEATURE SETTINGS ...
Страница 130: ...130 CHAPTER 5 TELEPHONE CONFIGURATION ...
Страница 156: ...156 CHAPTER 7 CALL DISTRIBUTION GROUPS ...
Страница 194: ...194 CHAPTER 8 PSTN GATEWAY CONFIGURATION ...
Страница 256: ...256 CHAPTER 10 SIP MODE OPERATIONS ...
Страница 328: ...328 CHAPTER 11 DIAL PLAN ...
Страница 360: ...360 CHAPTER 13 DOWNLOADS ...
Страница 370: ...370 CHAPTER 14 LICENSING AND UPGRADES ...
Страница 406: ...406 CHAPTER 16 NETWORK MANAGEMENT ...
Страница 412: ...412 CHAPTER 17 COUNTRY SETTINGS ...
Страница 450: ...450 APPENDIX A INTEGRATING THIRD PARTY MESSAGING ...
Страница 456: ...456 APPENDIX B ISDN COMPLETION CAUSE CODES ...
Страница 510: ...510 APPENDIX F OUTBOUND CALLER ID AND 911 SERVICE ...
Страница 546: ...546 APPENDIX G NBX ENTERPRISE MIB ...
Страница 566: ...566 GLOSSARY ...
Страница 578: ...578 INDEX ...
Страница 582: ......