1. Architecture OpenSource SQL database: MySQL http://www.mysql.com
User information:
Contact location
Profile (e.g., password)
Aliases
Conferences
Address book
System information
Configuration
SQL
database
sipd
            
Proxy, Redirect, Registration server.
Authentication
Programmable (SIP- CGI)

2. Architecture User profile can be modified using web browser.
Web based
configuration
Web server
SQL
database
sipd
User profile can be modified using web browser.
Creating new user (admin/normal)
Changing profile and contact information (“follow me” service).
Web CGI scripts
Both sipd and web scripts use the database

3. Architecture
IP phones connected to the departmental LAN. Users are identified by id, e.g.,
Web based
configuration
Web server
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
Software (sipc) for desktop. Allows audio, video, chat, white board, device control, instant message, presence and desktop sharing. Also plugnsip.

4. Architecture Regsitration can also be altered from the web interface
Web based
configuration
Web server
Phones register themselves with sipd when powered up.
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
Sipd stores the contact information in the database table:
=>
There can be multiple contacts. All registered phones ring, and the first to pick up is connected.

5. Architecture Another IP phone
(1) When somebody calls sipd gets the INVITE message and forwards the call to the current location.
Web based
configuration
Web server
(2) Phone rings, the user picks up the call and can talk to the caller.
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
Based on user profile, sipd may ask for caller authentication.

6. Architecture External T1/CAS
Telephone
Telephone
switch
External T1/CAS
Departmental PBX (Nortel Meridian) connects both internal and external lines to the gateway.
Dial “8” to reach outside line
Department
PBX
Web based
configuration
Web server
Internal T1/CAS
SQL
database
sipd
(Extension:713x)
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
Cisco 2600 router with SIP/PSTN gateway connects the departmental LAN with the PBX.

7. Architecture
Dials
Telephone
Telephone
switch
(1) When PBX receives a call for , it forwards the call to extension is assigned to the gateway.
Department
PBX
Web based
configuration
Web server
Internal T1/CAS
SQL
database
sipd
(Extension:713x)
(2) The gateway forwards all PSTN calls to sipd;
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
(3) Sipd looks into the dialplan, finds a mapping and forwards the call to the current location of “wenyu”.

8. Architecture (4) PSTN user receives the call. External T1/CAS
Telephone
Telephone
switch
(4) PSTN user receives the call.
External T1/CAS
Dial “8” to reach outside line
(3) PBX forwards the call to external line.
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
(2) Sipd authenticates the caller and checks permissions.
Sipd maps the number to adding the prefix “8” and the gateway address.
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
(1) The IP user dials

9. Architecture
Telephone
Telephone
switch
Telephone number mappings and privileges modifiable from the web
External T1/CAS
Department
PBX
Web based
configuration
Web server
Internal T1/CAS
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
Can use no-DID (direct inward dialing) mode for more numbers.

10. Architecture
Telephone
Telephone
switch
SNMP agent for SIP MIB. Allows remote monitoring and control of the SIP server. (e.g., prompt when an unauthorized registration is attempted)
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
SNMP
(Network
Management)

11. Architecture
Telephone
Telephone
switch
Allows an H323 client (Netmeeting) to use the services of our SIP infrastructure.
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
            
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)

12. Architecture
Telephone
Telephone
switch
rtspd
sipum
Quicktime
RTSP clients
RTSP
Generic media server for playback and recording of messages. Can work with existing RTSP client, Apple’s QuickTime.
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
            
            
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)
Provides a voice mail and answering machine service to all the registered users. Has web interface for accessing voice mails.

13. Architecture
Telephone
Telephone
switch
rtspd
sipum
Quicktime
RTSP clients
RTSP
Centralized conferencing server for audio and video. Users can join from IP as well as PSTN.
sipconf
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
            
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)

14. Architecture Sipd maps 7139=> meeting@128.59.19.196
Telephone
Telephone
switch
PSTN user dials
rtspd
sipum
Quicktime
RTSP clients
RTSP
sipconf
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
Netmeeting user dials
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)
SIP user dials

15. Architecture
Telephone
Telephone
switch
rtspd
sipum
Quicktime
RTSP clients
RTSP
sipconf
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)
Device gateway allows control of X10 devices. We can control a “lamp” using SIP DO message.
Device GW
X 10

16. Architecture Telephone Telephone switch rtspd sipum Quicktime
RTSP clients
RTSP
sipconf
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)
Device GW
X 10

17. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

18. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

19. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

20. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

21. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

22. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

23. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

24. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

25. Demo Scenario Low Priority High Priority Telephone switch rtspd sipum
Quicktime
RTSP clients
RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
Low Priority
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
High Priority
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

26. Demo Scenario Telephone switch rtspd sipum Quicktime RTSP clients RTSP
Single Box
(Netra)
Telephone
7040
sipconf
Department
PBX
Web based
configuration
Web server
713x
SQL
database
sipd
SIP/PSTN Gateway
NetMeeting
siph323
H.323
Ncast video encoder
Device GW
X 10
7134,wenyu
7136, my163
Xiaotaow

27. Architecture Communication portal:
Telephone
Telephone
switch
rtspd
sipum
Quicktime
RTSP clients
RTSP
Communication portal:
Address book, calendar, message board, file sharing, conferencing, etc.
Accounting and billing services
sipconf
Department
PBX
Web based
configuration
Web server
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)
Performance measurement and scalability for very large call/session volumes (for sipd, sipconf and rtspd).
SIP based Voice XML browser to allow access to voice mail and other services from touch tone phones
Device GW
X 10

28. Architecture Single box Telephone Telephone switch rtspd sipum
Quicktime
RTSP clients
RTSP
SIP
conference
server
sipconf
Department
PBX
Web based
configuration
Web server
Single
box
SIP proxy,
redirect
server
SQL
database
sipd
e*phone
sipc
Software SIP
user agents
Hardware
Internet (SIP)
phones
SIP/PSTN Gateway
NetMeeting
siph323
H.323
SNMP
(Network
Management)
Device GW
X 10

29. External SIP/PSTN Gateway
Architecture
Telephone
Telephone
switch
Single
box
External SIP/PSTN Gateway
All servers in a single box
Connects to a PSTN/SIP gateway
Users can use soft clients or hardware phones
Web based configuration and management