Should you stay with your trusty TDM based PBX or toss everything out in favor of a Voip system?

Why to refuse services which would promise to improve your productivity?
Substitute your Traditional PBX for a new Virtual VoIP PBX and take all the advantages this relative new technology offers.

How to proceed?

You have these options:
- analog,
- digital, or
- IP phones
on your desk and if to go with Voip or TDM to connect with the outside. Some systems will still allow to mix.

Which one to take?
VoIP?
TDM?
or Both?
Why not?

Most telephone systems give you the option on how to connect to the PSTN or Public Switched Telephone Network.

A pure Voip Telephone Service system operates entirely in the IP world from handset to call termination. The equivalent to the traditional PBX is the PBX with Internet Protocol. The PBX with Internet Protocol is mostly a software running on a Linux system. Handsets are referred to as SIP phones.
SIP or Session Initiation Protocol is the switching protocol which controls the telephone calls on packet based networks. Calls between subscribers to the same Voip service provider never leave the network and never enter the PSTN or Public Switched Telephone Network. Calls from and to non-subscribers are terminated to the PSTN at the location of the provider.

Most of the time, you can mix purely analog phone systems, purely digital and TDM phone systems and purely VoIP phone systems. A Voip system may well have FXS ports to connect to analog handsets, like traditional PBX telephone systems. The telephone service connection may be analog, T1, ISDN, or SIP Trunking.

Most of the time, the newer IP PBX telephone systems can offer a wider range of handset and telephone service connection options than legacy PBX systems. But before you make a big purchases or plans to scrap you current telephone system, you should ask an expert or get related information in one of the many Voip Review Sites you’ll find online.

J. T. Francisto

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