© 2006 Cisco Systems, Inc. All rights reserved. CVOICE v5.03-1 VoIP Signaling and Call Control Comparing Call Control Models. - презентация

1 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v VoIP Signaling and Call Control Comparing Call Control Models

2 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v Outline Overview Feature Comparison Charts Strengths of H.323, SIP, and MGCP Selecting Appropriate Call Control Summary Lesson Self-Check

3 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v Components and Services

4 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v Characteristics

5 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v Strengths of H.323, SIP, and MGCP H.323 –Mature, stable, scalable –Large enterprise solution SIP –Dynamic, scalable, adaptable –Dynamic organization solution MGCP –Centralized management and control, scalable –Service provider solution

6 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v MGCP Call Control Solution Design Requirements Centralized management, provisioning, and call control Centralized application servers Centralized dial plan management Easy implementation of new services Scalability

7 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v H.323 Call Control Solution Design Requirements Distributed call control intelligence Mature call control protocol Local call control functionality Scalability Dial plan administered at gatekeeper level

8 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v SIP Call Control Solution Design Requirements Distributed call control intelligence Easy development of new services and applications Access to a wide variety of endpoints Scalability

9 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v Summary H.323, SIP, and MGCP provide signaling and call control, each in their own way. H.323 suits large enterprises; SIP suits small organizations; MGCP suits service providers. MGCP is suitable where centralized call control is required. H.323 is suitable where a mature standard and distributed call control is required. SIP is suitable where development and deployment of new services and applications in a distributed call control environment is required.

10 © 2006 Cisco Systems, Inc. All rights reserved. CVOICE v