Posts Tagged 'ip'

ESI Presence Management Reader Now Available in IP

Awhile back, We posted on ESI’s Presence Management, which features a special device called a Presence Management Reader that has multiple functions.  It can act as a door phone, as security access for building personnel (using RFID-based security cards or fobs), and more.

ESI presence Management Reader

ESI presence Management Reader

We are pleased to announce that ESI has developed an ...

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SIP Trunking

ESI (our manufacturer of choice for business phone systems) announced recently that ESI has achieved interoperability with Broadvox GO! SIP trunking.  SIP trunking, for those who may not know, is a relatively new type of dialtone that is delivered via an IP network by an ITSP, or Internet Telephony Service Provider.  It’s far more efficient than Plain Old Telephone Service, and it appears to be where dialtone technology is headed.  Like ISDN PRI, it offers both DID ...

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Convergence

Occasionally, you’ll see the word “convergence” come up in regards to phone systems.  But what does it mean?  In a word, flexibility.

Traditional, “old school” phone systems have always had two different types of ports: one type to support phone lines (dialtone), and another type to support the phones.  Since all phones used to be analog phones, this second port type would also handle fax machines, credit card machines, and cordless phones, all of which have analog interfaces.

Over time, phone system ...

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Open source phone system pitfalls: a closer look

In the open-source PBX world, one platform is king: Asterisk.  Asterisk is an open-source software PBX platform originally created by Mark Spencer of Digium. Because of the open-source nature of Asterisk, many companies have used the Asterisk code as a base for their product and modified the code to suit their needs. There are a host of products built on top of Asterisk, such as Fonality’s products PBXtra and Trixbox, IntuitiveVoice’s Evolution PBX, etc. This post applies to ...

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ESI Cordless Handset II: best business cordless phone on the market

Not too long ago, I posted about ESI’s line of Cordless Handsets.  They were flexible, easy to use, and had a ton of features.  Now, they’re even better.

ESI Cordless Handset II

Introducing the ESI Cordless Handset II.  Like its predecessor, it comes in a digital version, local IP (LAN) version, and remote IP version.  Like the original version, it’s no ordinary cordless phone like ...

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VoIP: before you take the plunge

VoIP, or Voice over IP, has become very popular over the last few years, and most businesses we come in contact with who are considering purchasing a new phone system want VoIP in some form, or at least want to know that the system they buy can support it.

(If you’re new to VoIP, feel free to read my other post on the different types of VoIP.  You can also check out our web site for more information ...

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ESI Remote IP Feature Phone II: no slouch

Voice over IP, or VoIP, has come a long way since the early days.  Back then, VoIP phones in general weren’t at all tolerant of network issues, nor were networks as good at prioritizing VoIP traffic to ensure quality.  QoS, or Quality of Service, a term used to indicate network traffic prioritization, was nonexistent on service provider networks.  And most IP phones out there were difficult to set up, could not be easily moved from site to site, and had ...

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Hosted IP PBX: a good idea?

A Hosted PBX (sometimes referred to as Hosted IP or IP Centrex) is a relatively new phenomenon in the telecommunications world, springing up as a result of a promising new technology, Voice Over IP (VoIP).

A Hosted PBX differs from a traditional PBX or key phone system in that businesses using a hosted PBX are “outsourcing” their phone system to a service provider. This appears on the surface to provide a number of advantages:

• Your phone can follow you wherever you ...

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ESI Digital/IP Cordless Handsets: taking cordless phones to a new level

Almost every phone system, universally, supports cordless phones when properly equipped with an analog station port.  These are the phones you can get practically anywhere and are primarily intended for home use.  Many phone systems, however, do not support cordless phones via a digital interface.  Why does this matter?  Features, and ease of use.

An analog interface to a phone system is a very simple one.  Cordless phones connected this way are generally able to make and receive calls, transfer, and ...

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The many flavors of VoIP

There has been a real buzz over Voice over IP (VoIP) during the last couple of years.  We get asked about it often by businesses looking to purchase a new phone system, who want to make sure they’re not being “left out”.  How does it work?  Will it save money on long distance?  What other benefits does it provide?  In many people’s minds, the concept is a bit undefined; they’re not sure exactly what it will do for them, but ...

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