SIP and VOCAL

VOCAL System

VOCAL System

Traditional Telcos

Voice over IP

Open Source VoIP

Why Does Cisco Support Open Source VoIP?

Session Initiation Protocol

What is SIP?

SIP is Simply...

SIP Requests

SIP Responses

Where It’s @

INVITE

SIP Roles

From 2 Devices...

...to Many Endpoints...

...to a Complete Phone System

VOCAL Vovida Open Communication Application Library

VOCAL: Say, What?

A Simplified Call Flow

System Diagram

Screenshot

Redundancy

VOCAL SIP User Agent: SIPSet

Use Case #1

B2BUA

Use Case #2

Block Diagram

Example 1

Example 2

Example 3

Cool New Features

WIFY?

How Can You Help?

Who’s Working on it?

Vovida.org Stats - SIP

Vovida.org Stats - VOCAL

Vovida.org Stats – Site Visits

Vovida.org

Vovida.org

O’Reilly Book

www.vovida.org