Cisco call manager express

9914 palabras 40 páginas
Configuring Cisco CallManager Express (CME)

Cisco Networking Academy Program

IP Telephony

© 2005 Cisco Systems, Inc. All rights reserved.

Cisco Public

1

Overview of Cisco CME

IP Telephony

© 2005 Cisco Systems, Inc. All rights reserved.

Cisco Public

2

What is Cisco CallManager Express?
Cisco CME

Trunks PSTN

WAN

• Call processing for small to medium sized deployments • VoIP integrated solution • Up to 120 IP phones • IOS based solution
IP Telephony © 2005 Cisco Systems, Inc. All rights reserved.

Cisco Public

3

What is Cisco CallManager Express? (Cont.)
• Select IOS based platform • Multiservice access routers

2600XM

3700

1700

IP Telephony

© 2005 Cisco Systems, Inc. All
…ver más…

All rights reserved.

Cisco Public

20

Real-Time Transport Protocol
• Provides end-to-end network functions and delivery services for delay-sensitive, real-time data, such as voice and video • Works with queuing to prioritize voice traffic over other traffic • Services include:
Payload type identification Sequence numbering Timestamping Delivery monitoring

IP Telephony

© 2005 Cisco Systems, Inc. All rights reserved.

Cisco Public

21

Real-Time Transport Control Protocol
• Monitors the quality of the data distribution and provides control information • Provides feedback on current network conditions • Allows hosts involved in an RTP session to exchange information about monitoring and controlling the session • Provides a separate flow from RTP for UDP transport use

IP Telephony

© 2005 Cisco Systems, Inc. All rights reserved.

Cisco Public

22

RTP Header Compression

• RTP header compression saves bandwidth by compressing packet headers across WAN links
Cisco Public

IP Telephony

© 2005 Cisco Systems, Inc. All rights reserved.

23

When to Use RTP Header Compression

• Narrowband links • Slow links (less than 2 Mbps) • Need to conserve bandwidth on a WAN interface
IP Telephony © 2005 Cisco Systems, Inc. All rights reserved.

Cisco Public

24

Challenges and Solutions in VoIP

IP Telephony

© 2005 Cisco Systems, Inc.

Documentos relacionados

  • Disertación descartes
    1186 palabras | 5 páginas
  • Computacion
    31766 palabras | 128 páginas
  • Desaparicion de la cultura tehotihuacana (metodologia de investigacion
    3426 palabras | 14 páginas
  • Congress
    34125 palabras | 137 páginas
  • Razonamiento analogico
    12772 palabras | 52 páginas
  • Los beneficios del diseño industrial en la industria
    3384 palabras | 14 páginas
  • Analisis literario del cuentola noche del perro
    1109 palabras | 5 páginas
  • Fichas bibliográficas y fichas de trabajo
    3066 palabras | 13 páginas