MEDIACTRL A. Amirante
Internet-Draft University of Napoli
Intended status: Informational T. Castaldi
Expires: October 24, 2013 L. Miniero
Meetecho
S P. Romano
University of Napoli
April 22, 2013
Media Control Channel Framework (CFW) Call Flow Examples
draft-ietf-mediactrl-call-flows-12
Abstract
This document provides a list of typical Media Control Channel
Framework call flows. It aims at being a simple guide to the use of
the interface between Application Servers and MEDIACTRL-based Media
Servers, as well as a base reference documentation for both
implementors and protocol researchers.
Status of this Memo
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This Internet-Draft will expire on October 24, 2013.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 5
4. A Practical Approach . . . . . . . . . . . . . . . . . . . . 6
4.1. State Diagrams . . . . . . . . . . . . . . . . . . . . . 6
5. Control Channel Establishment . . . . . . . . . . . . . . . . 10
5.1. COMEDIA Negotiation . . . . . . . . . . . . . . . . . . . 11
5.2. SYNC . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3. K-ALIVE . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.4. Wrong behaviour . . . . . . . . . . . . . . . . . . . . . 18
6. Use-case scenarios and examples . . . . . . . . . . . . . . . 21
6.1. Echo Test . . . . . . . . . . . . . . . . . . . . . . . . 28
6.1.1. Direct Echo Test . . . . . . . . . . . . . . . . . . 29
6.1.2. Echo Test based on Recording . . . . . . . . . . . . 31
6.2. Phone Call . . . . . . . . . . . . . . . . . . . . . . . 39
6.2.1. Direct Connection . . . . . . . . . . . . . . . . . . 42
6.2.2. Conference-based Approach . . . . . . . . . . . . . . 44
6.2.3. Recording a conversation . . . . . . . . . . . . . . 50
6.3. Conferencing . . . . . . . . . . . . . . . . . . . . . . 56
6.3.1. Simple Bridging . . . . . . . . . . . . . . . . . . . 61
6.3.2. Rich Conference Scenario . . . . . . . . . . . . . . 65
6.3.3. Coaching Scenario . . . . . . . . . . . . . . . . . . 74
6.3.4. Sidebars . . . . . . . . . . . . . . . . . . . . . . 81
6.3.5. Floor Control . . . . . . . . . . . . . . . . . . . . 90
6.4. Additional Scenarios . . . . . . . . . . . . . . . . . . 96
6.4.1. Voice Mail . . . . . . . . . . . . . . . . . . . . . 96
6.4.2. Current Time . . . . . . . . . . . . . . . . . . . . 103
6.4.3. DTMF-driven Conference Manipulation . . . . . . . . . 107
7. Media Resource Brokering . . . . . . . . . . . . . . . . . . 120
7.1. Publishing Interface . . . . . . . . . . . . . . . . . . 120
7.2. Consumer Interface . . . . . . . . . . . . . . . . . . . 128
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