functionality pbxs

Latest News

  • Single-mode Wi-Fi phones set for a surge?

    Also, they will come into their own with IP PBXs: the PBX makers are launching their own-brand phones (already the case with Cisco, Siemens, Zultys and others), and others sell Spectralink handsets and Vocera badges.

Latest Features

  • Office phones face new threats

    For employees on the road, there are dual-mode phones that can work with IP PBXs (private branch exchanges) for features such as extension dialing and can get better coverage in the office by switching to Wi-Fi.
  • Replacing Cisco with open-source

    The small and midsize enterprises that have chucked their proprietary PBXs and routers for open-source systems say the latter offer similar functionality with more flexibility and lower cost. The open-source movement, which has long made inroads…
  • Who's hooking PBXs to cellphones?

    At this juncture, provides the IP PBX and related calling, presence, and messaging applications itself, rather than extending these integrated communications features from existing PBXs. Who's hooking PBXs to cellphones?
  • RTFM: What IP telephony architecture is all about

    For example, DPNSS, which is commonly used to interconnect PBXs in the UK, isn't an international standard, so some gateways and softswitches don't understand the signalling and formatting, in which case you need to add in third party gateways…
  • Why Choose IP Telephony?

    For larger companies, the softswitch will tend to be significantly cheaper.Switch maintenance costs-typically based on a percentage of the capital outlay.Handset costs-while IP telephony handsets are priced comparably with digital feature sets for…
 

How-Tos

  • Case Study: University dumps Cisco VoIP for open source Asterisk

    The south Texas school is boldly moving thousands of users off a Cisco VoIP platform to an open source VoIP network based on Asterisk.SHSU is in the process of moving its 6,000 students, faculty and staff off of Cisco CallManager IP PBXs and a…
  • Case Study: New York courts find security in IP video

    Eight Nortel Communication Server IP PBXs operate state-wide, supporting 5,000 Nortel IP phones, installed last year. The VoIP system replaces a mix of ageing Nortel PBXs and Verizon Centrex lines - saving what Guo estimates will be about $50 per…
  • Case Study: Fashion designer gets hip to IP

    An opportune time for installing IP telephony is when legacy PBXs need replacing or data networks get overhauled. The company expects to go live with the application sometime next year, Iadisernia says.Call Centre ImprovementsThe company uses the…
  • How to…deploy IP telephony

    You need to install one or more (typically at least two for resilience) softswitches (usually termed media servers, IP PBXs or media convergence servers depending on your vendor of choice, but they all provide a similar functionality) to do the…

White Papers

  • An Open Approach to Advanced Messaging

    An open approach to IP telephony applications, running alongside your TDM and IP PBXs, has the power to change how your business communicates. Some solutions even work with your legacy PBXs as well. This paper highlights an open approach to IP…
  • An Open Approach to Advanced Messaging

    An open approach to IP telephony applications, running alongside your TDM and IP PBXs, has the power to change how your business communicates. The teams implementing IP PBXs understand data networking and appreciate what it has done for business.
 
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