From VoIP to IP Communications
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Transcript of From VoIP to IP Communications
From VoIP to From VoIP to IP CommunicationsIP Communications
Henry SinnreichWCOM
* The views expressed in this presentation are my own and may or may not represent the views of my company
IP Comm. for the Enterprise 2
Voice over Packet Market Forecast – North America
Similar charts for other regions
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Voice over Packet Forecast – W. Europe
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Voice over Packet Forecast – Asia Pacific
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VoIP Camps
ISDN LAN conferencin
gIP
H.323I-multimedia
WWW
IP
SIPCall Agent
SIP & H.323
IP
“Softswitch” BISDN, AIN
H.xxx, SIP
“any packet”
BICC
Conferencing Industry
Netheads“IP over
Everything”
Circuit switch
engineers “We over
IP”
“Convergence” ITU
standards
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Comparison of VoIP Protocols
* All new apps from IM, voice chat, unified messaging, to mobility, portability, etc.
Internet-centric comparison made by a netheadProtocolCriteria H.323 SIP MEGACO
/H.248 BICC
$$$ from new
services *No YesYes No No
Performance Sluggish OK OK Sluggish?
Scalability No Yes No No
Internet and WWW
FitNo Yes No No
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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
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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
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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,…
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I-Ds for the 48th IETFSIP Architecture and Functionality
Guidelines for Authors of SIP Extensions SIP MIBSIP and SOAPSIP Extensions for supporting distributed call stateSIP INFO vn. 5SIP 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 agentsThird party call control in SIP SIP message waitingSIP call control transfer SIP for the hearing disabledSIP for home appliances
Infrastructure: AAA, QoS and SecuritySIP transport of OSP tokenSIP firewall solution
PSTN and H.323 supportH.323-SIPMIME media types for ISUP and QSIG objects This is not a
complete list
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Online Resources for SIP
ARCHIVE
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SIP Bakeoff Attendance
Mar ‘99 Apr ‘99 Aug ‘99 Apr ‘00
RFC 2543
Dec ‘99
IETF draft std8
companies
1st bakeoff16
companies
2nd bakeoff
27 companies92 developers
3rd bakeoff35 companies
150 developers
4th bakeoff
Attendance
11 countries46 companies
5th bakeoff
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Commercial SIP and MGCP Products*
* SuperComm2000 demo
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SIP Products Registered at Pulver.Com
…and more,….
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Are true Internet hosts• Choice of application• Choice of server• IP appliances
Implementations• 3Com (3)• Columbia University• MIC WorldCom (1) • Mediatrix (1)• Nortel (4)• Siemens (5)
4
IP SIP Phones and Adaptors1
3
Analog phone adaptor
Palmcontrol
2
54
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SIP Phones
Cisco PingTel
…and many other SIP phones and clients…
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SIP Service CreationSERVICE
LOGIC
CPLSIP JAVA SERVLETSSIP CGI SPECIAL SERVERS
DOWNLOADSERVLETS
LOCALLYCREATE CPL/XMLWITH GUI
UPLOADCPL SCRIPTS
SIP DEVICE SIP SERVER SIP SERVER
Easy service creation based on open standards by• Service providers,• End users,• 3rd partiesis the most important factor in new revenue generation** Class 5 C.O. and PBX features are also be supported
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Integration and Outsourcing for Business
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)
1. Web and messaging2. Real time communications3. Multimedia4. Transactions
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Outsourcing and 3rd Party ASPs
PRESENCE
IM+CONF LARGE CONF
PC PHONE DESKTOP
COMMS MGR
VOICE BROWSING
UNIFIED MESSAGIN
G
DialingPlans
OSS E-Mail WEB POLICYISP NetworkPSTN
CKT SW Mobile
SIP Phone
Enterprise WANLAN
SHARED NETWORKGATEWAY
IP Fax and IP Print
TRANSACTIONS
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Possible SIP Implementation of the Home Network
Ref: Framework Draft for Networked Appliances Using SIP, IETF, July 2000
Telcordia proposal
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Answering the Front Door From a Car
Ref: Framework Draft for Networked Appliances Using SIP, IETF, July 2000
Control of appliances are an interesting example of the services potential of SIP: Far more than just telephony !
Telcordia proposal
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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