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Cisco Jabber Release 10.6

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Closing In On Desktop / Mobile Feature Parity One of the big benefits often touted with unified communications is the ability for people to work anywhere, on any device. And it’s true: with UC, you can stay in touch on the go, whether you’re waiting for a connecting flight and need to join an important […]

SIP – Closing the Real-Time Gap

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The Internet as we know it began as ARPANET (a.k.a. the Advanced Research Projects Agency Network) in 1969.  ARPANET started out as a four-node packet switching network through a government-awarded contract.  It was initially deployed to support three main applications: e-mail, remote terminal access to host computers, and file transfers.  The common thread running through […]

Understanding the Session Initiation Protocol (SIP)

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As SIP has evolved into a popular protocol for establishing multimedia communications sessions, it is intriguing to look at the history behind the development of SIP.  Following is a journey through the building blocks of SIP and its evolution into a standard telecommunications protocol of choice. The Motivation behind SIP Signaling is the process that […]

Components of a SIP-based Network Architecture

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WAN technologies have migrated from analog environments to digital environments in the past few decades.  With this transition, the cloud is now positioned to better support SIP-based network infrastructures.  Alongside the evolution of the WAN, three new classes of networking devices have been developed. These networking devices are: The Softswitch The IP-PBX The Session Border […]

Concepts of SIP Trunking

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As interest in the Session Initiation Protocol (SIP) has grown, new and innovative applications have been developed. One of these is the SIP trunk, which can be used to connect IP PBX systems with service provider networks, and more effectively replace traditional trunks that are based on Time Division Multiplexing (TDM) technologies. The SIP Trunking […]

Managing the SIP Network

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As deployment of Session Initiation Protocol (SIP)-based systems has increased, so has the need to manage these complex systems. As such, we will be reviewing the different facets of network management and how they apply to the challenge of managing a multimedia network. Network Management for Multimedia Networks Network performance is often an afterthought for […]