(new)電信常識-SIP IP PBX(Issue 01) - comtel.com.t · 客戶的需求 • 客戶要什麼 –...

-SIP_IP_PBX(Issue 01)

SIP IP-PBX-SIP_IP_PBX(Issue 01)

SIP IP-PBX

IP PBXIP PBXIP PBX

SIPSIPSIP

RFC-3261

Server-Client

NAT

COCO

IP PBXIP PBXIP PBX

070070

Internet

SIP

SIP

SIP

All In One BoxAll In One BoxAll In One Box

Trunk FXO

Line FXS

SIP Trunk

SIP Line

Internal bus

COCO 070070

SIP

SIP

SIP SIP SIP

SIP UserAgent

SIP UserAgent

SIP UserAgent

Registrar ProxyServerRedirectServer

SIP Server

Registrar : Proxy Server : ;USERIPPortProxy Server

Redirect Server :SIP

Location Server :

Location Server

SIPSIPSIP

SIP Registrar(domain: iptel.org)

Location Server

jiri@

195.

37.7

8.17

3

REGISTER sip:iptel.org SIP/2.0

From:sip:[email protected]

To:sip:[email protected]

Contact:

Expires:3600

SIP/2.0 200 OK

SIP Operation in Proxy ModeSIP Operation in Proxy ModeSIP Operation in Proxy Mode

SIP Proxy Server

Location Server

[email protected]

INVITE sip:[email protected]



Call-ID:[email protected]

SIP/2.0 200 OKjir

i?SIP/2.0 200 OK




Call-ID:[email protected]

ACK sip :[email protected]

[email protected] [email protected]

SIP Operation in Redirect ModeSIP Operation in Redirect ModeSIP Operation in Redirect Mode

SIP RedirectServer

Location Server

Callee@hom

e.com

Call e

e?


[email protected]

[email protected]

302 Moved TemporarilyContact: [email protected]

ACK sip:[email protected] sip:[email protected]

SIP/2.0 200 OK

ACK sip:[email protected]

Trunkgateway

PSTN

Mediagateway

controllor

PSTNInternet

Trunkgateway

Signalinggateway

MGCPMEGACO/H.248

STP

SCP

SSPSSP

Signalinggateway

Mediagateway

controllor

STP

SCP

POTS

POTS

MGCP/SIPphone

Softswitch

softswitchsoftswitch

analogyphone set

Residentialgateway

SIPBMGCPBMEGACO/H.248

MGCPBMEGACO/H.248

SIP-T

SIP-T

SIP-T

SIP based IP Telephony SIP based IP Telephony SIP based IP Telephony SystemSystemSystem

CDR Server(s)

Feature Server(s)

Provisioning Server(s)

3rd Party Billing System

RADIUS

SNMP NetworkManager

ClearingHouse

Internet

SIP proxy ServerSIP proxy Server

PSTNGateway

SIP proxy Server

SIP IP Phone MGCP Device

MGCP/SIPTranslator

SIP proxy Server

H.323/SIP Translator

SIP proxy Server

H.323 Terminal

SIP based

VOCAL System [http://www.vovida.org/]

H.323 Translator: Acts as a Gatekeeper to control H.323 endpoints.Talks SIP to the rest of the network for routing and features.

SIP based IP Telephony SystemSIP based IP Telephony SystemSIP based IP Telephony System

MGCP Translator: Acts as a call agent to control MGCP end points. Talks SIP to the rest of the network for routing and features.



SIP proxy Server: Acts as a trusted boundary for calls entering or leaving a network. Provides authentication and collects billing information for the CDR server.

CDR Server: Collects billing information from Marshal Servers and interfaces with billing systems using the RADIUS accounting protocol.


Provisioning Server: Used to provision, configure and manage subscribers and servers from a GUI.


Feature Server: Provide CPL based or XML scripts that run basic telephony features.


IP Telephony IP Telephony IP Telephony --- SoftswitchSoftswitchSoftswitch

Softswitch

Cellular Station

Media GatewaysIAD with DSL/Cable Modem

Digital Cross Connect

SS7 Gateway

SS7

Application Servers

Q.931/Q.2931

CPL

SIP

MGCP

MEGACO

SIPH.323MGCP

Internet

050050

070070

COCO

Internet

070070

PBX

Internet

CO

ITSP ServiceITSP ServiceITSP Service

070 Service

PBX

Internet

CO

070

GSM

No connectionNo connection

No connectionNo connection

No No answeranswer

IP PBXIP PBX

Internet

CO

070

GSM

IP PBXIP PBX

MVPN MVPN MVPN

PBXInternet

GSMMVPN

Internet

CO 070

IP PBXIP PBX

Smart PadSmart PadSmart Pad

SIP

(new)電信常識-SIP IP PBX(Issue 01) - comtel.com.t · 客戶的需求 • 客戶要什麼 –...

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