From VoIP to
IP Communications
Henry Sinnreich
WCOM
* The views expressed in this presentation are my own and may or may not represent the
views of my company
Voice over Packet Market Forecast – North America
Similar charts for other regions
IP Comm. for the Enterprise
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Voice over Packet Forecast – W. Europe
IP Comm. for the Enterprise
3
Voice over Packet Forecast – Asia Pacific
IP Comm. for the Enterprise
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VoIP Camps
Conferencing
Industry
Netheads
“IP over
Everything”
Circuit switch
engineers
“We over IP”
“Convergence”
ITU standards
H.323
SIP
“Softswitch”
BICC
ISDN LAN
conferencing
I-multimedia
WWW
Call Agent
SIP & H.323
BISDN, AIN
H.xxx, SIP
IP
IP
IP
“any packet”
IP Comm. for the Enterprise
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Comparison of VoIP Protocols
Internet-centric comparison made by a nethead
Protocol
Criteria
H.323
SIP
MEGACO
/H.248
BICC
$$$ from
new
services *
No
Yes
No
No
Performance
Sluggish
OK
OK
Sluggish?
Scalability
No
Yes
No
No
Internet and
WWW Fit
No
Yes
No
No
* All new apps from IM, voice chat, unified messaging, to mobility, portability, etc.
IP Comm. for the Enterprise
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The Open World of IP Communications

SIP standards are created in the open
environment of the IETF: No $50k/year
required to participate in the development !

Access to all SIP information is free and
accessible on the web

No options and national variants

Rigorous interoperability testing

Result: Abundance of SIP products
IP Comm. for the Enterprise
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IP Communications for the Enterprise
The business case
Revenue: Customer relations



From e-mail to multimedia to e-transactions
Virtual (3rd party) web call center
Instant messaging, voice, video, web push
Reduce cost: Options for voice in intranets




Proprietary IP PBXs
Softswitch (IP PBX) or QSIG networks
Virtual SIP IP PBX (IP Centrex)
Voice-web integration



SIP phone with desktop PC integration
Presence and instant communications
The conferencing spectrum for instant to scheduled
IP Comm. for the Enterprise
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SIP Boom: Highlights at the 48th IETF
Presence – is a new Internet service
Instant communications - same
Unified messaging - same
PINT: Initiate from Web action in PSTN
SPIRITS: Initiate action from PSTN on Web
INAP: PSTN IN and Internet interaction
ENUM: Single phone number or URL
SIP for home appliances,…
IP Comm. for the Enterprise
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I-Ds for the 48th IETF
SIP Architecture and Functionality
Guidelines for Authors of SIP Extensions
SIP MIB
SIP and SOAP
SIP Extensions for supporting distributed call state
SIP INFO vn. 5
SIP INFO method for event reporting
SIP INFO method for DTMF digit transport and collection
SDP media alignment in SIP
Services
Emergency Call Services (911)
A SPIRITS solution based on virtual SIP user agents
Third party call control in SIP
SIP message waiting
SIP call control transfer
SIP for the hearing disabled
SIP for home appliances
Infrastructure: AAA, QoS and Security
SIP transport of OSP token
SIP firewall solution
This is not a
PSTN and H.323 support
complete list
H.323-SIP
MIME media types for ISUP and QSIG objects
IP Comm. for the Enterprise
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Online Resources for SIP
ARCHIVE
IP Comm. for the Enterprise
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SIP Bakeoff Attendance
5th bakeoff
4th bakeoff
3rd bakeoff
2nd bakeoff
Attendance
11 countries
46 companies
35 companies
150 developers
27 companies
92 developers
16 companies
1st
bakeoff
8 companies
IETF draft std
RFC 2543
Mar ‘99
Apr ‘99
Aug ‘99
Dec ‘99
IP Comm. for the Enterprise
Apr ‘00
12
Commercial SIP and MGCP Products*
* SuperComm2000 demo
IP Comm. for the Enterprise
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SIP Products Registered at Pulver.Com
…and more,….
IP Comm. for the Enterprise
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IP SIP Phones and Adaptors
1
Are true Internet hosts
• Choice of application
• Choice of server
• IP appliances
2
Analog phone adaptor
Implementations
• 3Com (3)
3
• Columbia University
Palm
control
• MIC WorldCom (1)
• Mediatrix (1)
• Nortel (4)
• Siemens (5)
44
IP Comm. for the Enterprise
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15
SIP Phones
PingTel
Cisco
…and many other SIP
phones and clients…
IP Comm. for the Enterprise
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SIP Service Creation
DOWNLOAD
SERVLETS
LOCALLY
CREATE CPL/XML
WITH GUI
SERVICE
LOGIC
CPL
SIP JAVA SERVLETS
SIP CGI
SPECIAL SERVERS
UPLOAD
CPL SCRIPTS
SIP DEVICE
SIP SERVER
SIP SERVER
Easy service creation based on open standards by
• Service providers,
• End users,
• 3rd parties
is the most important factor in new revenue generation*
* Class 5 C.O. and PBX features are also be supported
IP Comm. for the Enterprise
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Integration and Outsourcing for Business
1.
2.
3.
4.
Web and messaging
Real time communications
Multimedia
Transactions
Support for complex multiparty business models
Strict compliance with IETF SIP related
standards work creates the open and
connected environment for outsourcing and
3rd party application service providers (ASPs)
IP Comm. for the Enterprise
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Outsourcing and 3rd Party ASPs
UNIFIED
MESSAGING PRESENCE IM+CONF
PSTN
TRANSACTIONS
LARGE
CONF
SHARED
NETWORK
GATEWAY
PC PHONE COMMS
VOICE
MGR
DESKTOP
BROWSING
ISP Network
OSS
CKT SW
Mobile
E-Mail
WEB POLICY
Dialing
Plans
SIP Phone
LAN
Enterprise WAN
IP Fax and IP Print
IP Comm. for the Enterprise
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Possible SIP Implementation of the Home Network
Telcordia proposal
Ref: Framework Draft for Networked Appliances Using SIP, IETF, July 2000
IP Comm. for the Enterprise
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Answering the Front Door From a Car
Telcordia proposal
Control of appliances are an interesting
example of the services potential of SIP:
Far more than just telephony !
Ref: Framework Draft for Networked Appliances Using SIP, IETF, July 2000
IP Comm. for the Enterprise
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Work Ahead
Commercial IP communications require:
• Global Internet (chargeable) QoS or enough bandwidth
• AAA for multi-business models
• Standard clearinghouse protocols and payments
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