Hi Pranav, so I’m using a package as a starter called incredible PBX. As
someone mentioned, it’s based on Asterisk although there are also free switch
based packages out there I’m myself more familiar with the Asterisk packages.
You can download an already built image, change it to your desire and you
configure using a web browser. Includes database and fax capabilities as well
as the ability to have encrypted signaling and media.
I’ve actually got a few of these installed in businesses so I would say
the reliability is there and good enough for production rather than just a home
test bed although that’s a totally valid and cool use as well.
In my case I have a source of free SIP termination and origination so I
just create a trunk back to my carrier class switch that I am on a team that
manages and transport the whole thing over the public Internet. You can get
very inexpensive SIP services though, Mike mentioned a decent option. My self
I like Vitelity and IP Innovations is another good whole sale option if you do
a fair bit of volume. You can buy services either for a flat rate of something
like $24 monthly US per trunk or on a per minute basis for a fraction of a
cent per minute per channel used.
As I think Eric mentioned, you can also buy SIP terminating hardware.
This ranges from $25 US for something like a Grand Stream duo tone that has the
ability to terminate a single line on your network so you can convert a regular
phone line to SIP or you can spend more and terminate things like T1 cards with
an Audio Code system or SAN Say box as an example of a higher end option. For
starters though go as cheap as possible. Vitelity charges me a buck or so per
month for a phone number or DID and a third of a cent per minute or so for
outgoing calls anywhere in the US.
I’d highly encourage people to give this a shot. It’s a cool project,
you can learn gobs and gobs of things and they are translatable in to skills
that are very marketable.
To give you the idea of the power of these systems, the pies can run
small offices and if you scale up a higher end server with say 8 cores and 32+
GB of RAM you can run a small phone company, which I did in Florida. We would
continuously have 300+ channels up all day as businesses placed and received
calls / faxes and that combined with some pretty powerful but low cost WiFi
radios allowed me to totally end run around the local carriers and deliver
services with out a single cable or leased line other than my core locations.
We had tower access though but that’s something that can be worked out. Happy
to discuss further if there’s any interest.
Thanks
On Aug 8, 2018, at 9:21 PM, Pranav Lal <pranav.lal@xxxxxxxxx> wrote:
Hi all,
A recent comment by Scott Granados had me curious. How do you build a phone
system using the pi? A long time ago., I had tried to build freeswitch on
the pi. It kind of worked but I did not get very far. What software is being
used?
Pranav
===========================================================
The raspberry-vi mailing list
Archives: //www.freelists.org/archives/raspberry-vi
Administrative contact: <mike.ray@xxxxxxxxxxxxxx>
-----------------------------------------------------------
Raspberry Pi and the Raspberry Pi logo are trademarks of the Raspberry Pi
Foundation.
This list is not affiliated to the Raspberry Pi Foundation and the views and
attitudes expressed by the subscribers to this list do not reflect those of
the Foundation.
Mike Ray, list creator, January 2013
