C o m o x

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Convergent Communication Applications Using SIP

• Yoram Arbel
• Comox Inc.
• yoram_at_comox.com

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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

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Converged CommunicationApplication examples
Telephony SIP H.323 MGCP
Internet HTTP SIP WAP SMTP Presence
eCalling
Unified Messaging

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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

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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.
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HearMe eCalling Example
Email Invites Conversation
Embedded Presence Projection
One Click eCall
OR
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Example a company directory
Clicking next to the names of any available
employees will call them at their computers or
telephones.
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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

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• SIP Simplicity for
• Easy interface to gateway, softswitch,
  Unified Messaging, other services
• Small (lt150KB) client for internet distribution
• Call processing - e.g. Follow me
• SIP Scalability
• HTTP style stateless transactions allow use of
  web based load balancing techniques

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• 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

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

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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...

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MailVision Unified Messaging Platform
SIP PSTN
SIP PSTN
IMAP4
LDAP
SIP PSTN
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MailVision Unified Messaging - PC Web Access
Email Fax Voice Documents
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• 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

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• 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

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JAVA SIP Phone Interface
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• Potential use of SIP under the hood
• Interface between some of the system modules
• Intelligent load balancing

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SIP Enables Convergence

• Provides an Internet like model for manipulating
  PSTN/IP telephony networks
• SIP will be a catalyst for converged networks

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• Yoram Arbel
• Comox Inc.
• yoram_at_comox.com
• Tel. [phone]

C o m o x
www.hearme.com
www.mailvision.com