Information Systems, Information Technology, Project Definition, Project Design, Project Management, Network Implementation, Network Support, Network Management, Local Area Networking, Wide Area Networking, Network Border Security, Network Core Security, Internet, Intranet, Extranet, Collaborative Systems, Workflow, Help Desk, Network User Training, On Site Support, Remote Control Support Information Systems, Information Technology, Project Definition, Project Design, Project Management, Network Implementation, Network Support, Network Management, Local Area Networking, Wide Area Networking, Network Border Security, Network Core Security, Internet, Intranet, Extranet, Collaborative Systems, Workflow, Help Desk, Network User Training, On Site Support, Remote Control Support


commonly confused as being one and the same, IP telephone and Voice Over IP systems are different systems that have different purposes, benefits and pit-falls.
 

Information Systems, Information Technology, Project Definition, Project Design, Project Management, Network Implementation, Network Support, Network Management, Local Area Networking, Wide Area Networking, Network Border Security, Network Core Security, Internet, Intranet, Extranet, Collaborative Systems, Workflow, Help Desk, Network User Training, On Site Support, Remote Control Support

IP telephone systems are, in their most basic functional form, almost identical to conventional telephone systems except that the delivery of the telephone extension is done via a computer network, or an IP network. Better described as an IP-PBX, IP telephone systems interface to normal public switched telephone network lines for the external carriage of a telephone call.

Voice Over IP (“VoIP”) on the other hand is a term used to describe various telephony transmission technologies that interface to an IP network (typically the Internet) for the external carriage of a telephone call.

Though the two systems (or at least the functions of the two systems) may be found in one product offering, the fact remains that they are fundamentally different technological systems that should be considered separately during any evaluation.

The following table is intended to help clarify the difference between IP telephony and VoIP:

Function or feature

 

IP PBX System

 

VoIP System

 

 

 

 

 

Uses the Internet, or other similar IP network, for the making of telephone calls

 

No, this is not specifically a feature of the technology

 

Yes, this is the underlying feature of the technology

 

 

 

 

 

Uses an IP network, often sharing the actual computer network, for the connectivity between the telephone control system and the telephone handset

 

Yes, this is the underlying feature of the technology

 

No, this is not specifically a feature of the technology

 

 

 

 

 

Can facilitate tariff-free intra company telephone calls (eg: between offices)

 

Yes

 

No

 

 

 

 

 

Can facilitate very low cost telephone calls to “anyone” via the Internet

 

No

 

Yes

(Simplistic) diagrams of a conventional telephone system implementation, an IP telephone system implementation and a VoIP system implementation. These diagrams are only intended to highlight some key areas for consideration.

Go to larger diagram with notes attached Go to larger diagram with notes attached Go to larger diagram with notes attached

With the above understanding, many clients then ask “Well which is the right system for me?”. The answer to this question lies in identifying what it is that you are wishing to achieve as a result of the system, what business rules exist and what equipment you already have in-situ. Armed with this information, Remex will be able to help determine which of the plethora of available technologies and implementations may be most appropriate for your situation.

If you feel that you could benefit from Remex’s expertise in IP Telephony and VoIP, simply complete this form and we will contact you free of charge to discuss your situation and identify how we might be able to help.

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Remex Consulting Pty Limited
Building 6, 49 Frenchs Forest Road
Frenchs Forest NSW 2086

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