Interesting issue with a new installation recently. The customer has, for now, a single analogue line hooked up to our PBX via a Digium TDM410P card. The DAHDI configuration had a number of ‘extra’ values in chan_dahdi.conf to recognise Caller ID, etc. However, one of those values was making all outbound calls over the analogue [...]
It can be very obvious when you, as a business, might consider a new phone system – moving office, for instance. However companies don’t move office very often, so does that mean you should stick with what you have? Not necessarily, no. I’d like to suggest some other times at which you should at least [...]
This is the first of a series of tips taken from the recent Packt publication Asterisk 1.4 – The Professional’s Guide, of which I am a co-author. I hope you enjoy it and find it useful. Asterisk is a very capable telephone system, that’s a pretty uncontroversial point of view. It’s also pretty safe to [...]
The world of VoIP promises a lot, and not the least of those promises is free phone calls via the internet. The reality, at least for now, is not quite that simple; but then is anything ever that simple ? That’s not to say that free internet calls are not possible, rather that you have [...]
I have been having problems getting emailing of voicemail to work on my home Asterisk system….seems it’s due to the lack of an internal DNS server ! This article explains how to fix the problem.
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