Transcript IP Communications Services-Redefining communications

IP Communications
Services
Redefining Communications
Teresa Hastings
Director
WorldCom
SIP Services Conference – April 18-20, 2001
Impact of the Web
Chat
Messaging
Information
What’s Missing?
Transactions
Communications!
Why is it time to
Redefine Communications?
Source: Telegeography, Inc. 2000
Why is it time to
Redefine Communications?
Price Per Minute (US$)
1.16
0.74
1989
Source: Telegeography, Inc. 2000
1998
Today’s PSTN / IN
The IN was invented to
take the service
features out of the
switch and under
control of the carrier
IN
Features
Call Features
Call Features
PSTN
.
.
.
Switch
Control
Control
Matrix
Matrix
PBX
Switch
Softswitch Architecture
Softswitch is actually A
one step back to before
the IN, since features
are back in the “switch”
Softswitch
Features
Re-creation of Telephony Services
Something?
Softswitch
SIP, BICC, H.323
Control
.
.
.
PBX
Packetize
Voice
Features
Control
IP
Network
Media
Gateway
Focus: New Footprint/Old Services
Packetize
Voice
Media
Gateway
Protocols Define the Architecture
Not Vendors
IP and UDP or TCP - Transport
RTP and RTCP - Real Time Media
IPSec and PKI - Security
SIP and SDP - Session Control
HTTP - Web Services
XML - Data Exchange Format
etc, etc, etc
Why Does it Matter?
 Innovation for New Revenue Streams
 Time to Market!
– Reduced Integration Time and Complexity
• OSS and Service Integration
• Service Interaction
– “Best of Breed” integration
• In-House Development
• Application Developers
• 3rd Party Service Providers
 Device Independent Services
 Manageable Support Costs
– Re-usable and Lower Cost Tools
– Web technical support skills
One Global Service Architecture
Commerce
Services
OSS
Speech
Recognition
Routing
Web
Servers
Directory
Conferencing Services
Security
Enterprise
Network
...
PSTN
Market
Applications
Mobility
QOS
Internet Protocol
Network
Access Policies
Content
Management
Centrex
Presence
Messaging
3rd Party
ASP
Telephony Services
 IntraEnterprise Calling
 Private numbering plans
– Call routing decisions in the SIP Server
– Reduces management in enterprise gateways
 Off-net calling (Enterprise to PSTN)
 Call Management Services (“Centrex”)
–
–
–
–
–
Call Screening and Blocking
Find-me calendar routing
Call Forwarding - Unconditional, Busy, No-Answer
Alias called phone numbers/IP Addresses
Non-trusted caller permissions
 IP Phones
SIP Phones
Are true Internet hosts
 Choice of application
 Choice of server
 IP appliances
 Freedom of movement
…and many other SIP
phones and clients…
SIP User Preferences
Caller
Called
– Choice of service
– Choice of language
– Choice of media
Text, voice, data, video
– Choice of my contact list
Where can I be reached
– Choice of called party
With who will accept to talk to
–
–
–
–
By caller list
By zone of origin
By time of day
Where to receive calls
Phones, PCs, Palms, pager, fax, voice
mail, e-mail, in conference
– Privacy options
Location, signaling and conversation
– Choices for privacy
Location, signaling and conversation
Under user control,
Via web or voice,
PC, Palm computer or voice command
Telephony Services
Commerce
Services
OSS
Routing
IVR
Web
Servers
Market
Applications
Directory
Conferencing Services
Mobility
Content
Management
Centrex
Presence
Messaging
3rd Party
ASP
Security
Enterprise
Network
...
PSTN
QOS
Internet Protocol
Network
Access Policies
SIP-Enabled Mobility
[email protected]
[email protected]
tel:[email protected]
[email protected]
[email protected]
[email protected]
Messaging
 Voice, email, fax, IM, video, paging
 Device Aware
 “Intentional Messaging”
 Directory
 Personal address and contact lists
 Calendar
Conferencing: Endpoint Hosted
GATEWAY
ENDPOINT INITIATES
CONFERENCE AND
ACTS AS MEDIA
MIXER
PSTN
Instant conferencing
Endpoint “self-hosts” small conferences
Conferencing: Multi-point Bridge
CONFERENCE
BRIDGE
GATEWAY
2. MULTIPOINT
1. INITIAL POINT-TOPOINT
“On the Fly”
Transition from point-to-point
conference to multi-point bridge
PSTN
Presence




Reach anywhere
Announce availability
Preferences
SIP-based component
– Register
– Subscribe
– Notify
New Services Based on Presence
 Polite calls are possible:
– Is user online (for me)?
– Willing to take calls?
– In another call?
– May I join?
 Avoid unsuccessful calls
– Location independence
 Conferencing is changed
– Spectrum: Ad-hoc to scheduled
 Replaces call center ACD!
 Any media:
– Text, voice, video, data
Communications Services
Commerce
Services
OSS
Routing
IVR
Web
Servers
Directory
Conferencing Services
Security
Enterprise
Network
...
PSTN
Market
Applications
Mobility
QOS
Internet Protocol
Network
Access Policies
Content
Management
Centrex
Presence
Messaging
3rd Party
ASP
Application Services
Real businesses solving real problems
with useful tools
Web Interaction Centers
Technical Support
Healthcare/Medical
Education/Training
Business to Employee
Vertical Industries of All Types
Application Services
Commerce
Services
OSS
Routing
IVR
Web
Servers
Directory
Conferencing Services
Security
Enterprise
Network
...
PSTN
Market
Applications
Mobility
QOS
Internet Protocol
Network
Access Policies
Content
Management
Centrex
Presence
Messaging
3rd Party
ASP
Where can we go?
Consumer
Third World
Global Enterprise
Small office
Home office
Small-Medium enterprise
What are the challenges?
 Unwavering commitment to open standards
 QoS
 Security
 Access complexity
 SDKs - Service Development Kits
 Conversion
– More than analog to digital ?
The Impact of SIP
Integration of communications with
information and transactions on the Web
Distributed, interoperable service
architecture
Industry and corporate applications on
standard service elements
Ultimate flexibility and mobility to make
work and life more manageable
IP Communications Services
Redefining Communications
Teresa Hastings
[email protected]