Would anyone know of a better choice to multiplex three fxo lines into an asterisk box? I can still use three Digium X100P cards, but methinks, a seperate unit would be better.
Thanks again,
Peter
I am located in the UK and am looking into connecting three analog BT lines to an astersik system which is replacing our current pbx. I could use three Digium wildcard x100p cards for that but I rather use a unit which is external to the computer to have a better separation of analogue/digital side. I would not like to go ISDN because the analog lines have so far sufficed in every repect and I tend not to fix what isn't broken.
Today I found a unit on a supplier's website
http://www.peripheralcorner.co.uk/product_info.php/cPath/113/products_id/544
which is a
Micronet SP5054 VoIP Gateway 4 FXO Ports
The website for this product is
http://www.micronet.info/Products/voip/SP5054.asp
and it appears to me that this unit would (similar to a channel bank) multiplex our three BT lines into one LAN port. If so, I could simply connect such a box to a LAN port in my asterisk server. I suspect the unit would appear to the asterisk box like three SIP-to-fxo converters (sorry for the horrible beginner-jargon). I basically would like to know whether I could use this unit instead of three x100P cards and it would functionally replace them.
Questions
* Would it be legal in the UK to connect such a unit to the PSTN ? In the specifications
http://www.micronet.info/Products/voip/SP5054.asp#Specif
there seems to be CE regulatory approval (see bottom row of table, Emission), but I don't know whether that is sufficient for use with a PSTN in the UK.
* Could I operate the unit in a transparent fashion, i.e. it would look to the asterisk machine as if I had connected three SIP-to-fxo converters which I can control independently of each other from the asterisk machine? For example, could I initiate / receive a phone call while another phone conversation is running? For outgoing calls, could I specify which fxo port to use / for incoming calls, could I find out which port answered it?
* Would the fxo ports match the UK PSTN specifications (impedance)?
I am asking in this list just in case that someone has used / is using such voip gateways. I am still very much in the enquiry phase. Thank you very much for your consideration.
Peter
On 29 Nov 2004, at 17:30, Peter Hoppe wrote:
> Micronet SP5054 VoIP Gateway 4 FXO Ports
We bought one of these units and had a lot of grief with them. The SIP firmware isn't great at all IMHO. For H.323 they work just fine.
Stephan Wik
-- There are 10 kinds of people in the world, those who understand binary, and those who don't.
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