sponsored by Global Knowledge
Posted:  10 Dec 2008
Published:  10 Dec 2008
Format:  PDF
Length:  8  Page(s)
Type:  White Paper
Language:  English

As companies migrate from traditional telephony to Voice over IP, there are more design decisions to make when choosing the most appropriate implementation type. The choices include variations of centralized or distributed architectures, as well as a choice of call control protocols. The design decision may be based on corporate policies (centralize control of infrastructure and services or providing autonomy to each site by distributing control), or the decision may be based on application and service requirements which may dictate one voice control protocol over another.


Common deployment models include:


  • Single Site
  • Multi-site Centralized
  • Multi-site Distributed
  • Distributed Single Cluster


Berni Gardiner
Certified Cisco Instructor ,  Global Knowledge
Berni Gardiner is a Certified Cisco Instructor and has taught for Global Knowledge since 1998. Berni's 30+ years of technical expertise spans software development, network design and implementation and Voice over IP design and implementation. Over the past nine years, Berni has focused on converged network design, integrating voice technologies into data networks. Berni teaches a variety of Cisco courses including Implementing Cisco QoS, CVoice, Cisco IP Telephony I and II, and IP Telephony Express. Her realworld experience includes working with local and national ISPs for network provisioning, as well as consulting on VoIP implementations across North America.

Bandwidth Management | IP Telephony | Network Infrastructure | Telephone Switches | Voice Networking | Voice Portals | Voice Quality | Voice Recognition Software | WAN

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