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Convergent Communication Applications Using SIP. Yoram Arbel Comox Inc. yoram@comox.com. Convergent Communication via SIP. Internet applications, distribution, connectivity Ubiquity and quality of Telephony Rich applications and GUI can be applied to PSTN calls

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convergent communication applications using sip

Convergent Communication ApplicationsUsing SIP

Yoram Arbel

Comox Inc.

yoram@comox.com

convergent communication via sip
Convergent Communication via SIP
  • Internet applications, distribution, connectivity
  • Ubiquity and quality of Telephony
  • Rich applications and GUI can be applied to PSTN calls

No need to wait for complete coverage of VoIP infrastructure

slide3

Converged CommunicationApplication examples

Telephony

SIP

H.323

MGCP

Internet

HTTP

SIP

WAP

SMTP

Presence

eCalling

Unified

Messaging

hearme ecalling
HearMe eCalling
  • Most Communications today: either real-time (telephones) or asynchronous (email, web pages)
  • Integrated Communication: combines asynchronous publication of user availability in email and elsewhere with real-time Internet voice conferencing
  • Cyber-era “business card” which includes the means to make contact
example email click to call
Example: Email click-to-call

Availability and contact

links tie a conference to

a particular subject.

Recipients follow up with

voice conversation when

the sender is around.

slide6

2

1

3

HearMe eCalling Example

Email Invites

Conversation

Embedded Presence

Projection

One Click eCall

OR

slide7

Example: a company directory

Clicking next to the names of any available employees will call them at their computers or telephones.

voicecontact application on voiceserver platform
VoiceCONTACT Application on VoiceSERVER Platform
  • Click to Call, Click to Conference
  • PC-PC; PC-Phone; Phone-Phone
  • Presence/Availability indication
  • Easy, impromptu “Instant Conferencing”

Workgroup productivity tool:

connected-ness, teamwork, productivity

slide9
SIP Simplicity for:
    • Easy interface to gateway, softswitch, Unified Messaging, other services
    • Small (<150KB) client for internet distribution
    • Call processing - e.g. Follow me
  • SIP Scalability:

HTTP style stateless transactions allow use of web based load balancing techniques

slide10
Federated Systems Model
    • HearMe operates VoiceNETWORK, global service for everyone
    • Service Providers, Enterprises can license domain VoiceSERVERS - DNS name space
    • Domain controller defines routing and policy
    • SIP Proxy model directly supports this architecture
slide11
Firewalls

SIP offers hope of an endorsed standard that will be able to penetrate for inbound transactions

mailvision unified messaging platform
MailVision Unified Messaging Platform
  • Voicemail, email, Fax, documents
  • Access from Web, Line Phone, Celphone
  • Modular
  • Scalable

multiple servers anywhere on the net

  • Open Standards: SIP, IMAP4, LDAP, POP3, WAP...
slide14

MailVision

Unified Messaging

Platform

SIP

PSTN

SIP

PSTN

IMAP4

LDAP

SIP

PSTN

slide15

MailVision Unified Messaging

- PC Web Access

Email

Fax

Voice

Documents

slide16
SIP Interface for

Incoming Message and Access Servers

    • Easy integration with Softswitch, Gateway, VoiceSERVER
    • INVITE information may affect handling - e.g. immediate non-password access to own mailbox
slide17
Rich User Interface with SIP clients
    • SIP Message Waiting information can be presented on screen phones
    • GUI much more friendly than IVR
    • JAVA application on Intelligent SIP phones, or server rendering on ‘dumb’ screen phones
slide19
Potential use of SIP “under the hood”
    • Interface between some of the system modules
    • Intelligent load balancing
slide20

SIP Enables Convergence

  • Provides an Internet like model for manipulating PSTN/IP telephony networks
  • SIP will be a catalyst for converged networks
yoram arbel comox inc yoram@comox com tel 408 245 0200

C o m o x

Yoram Arbel

Comox Inc.

yoram@comox.com

Tel. 408-245-0200

www.hearme.com

www.mailvision.com