Great questions.
First, I’m running incredible PBX for raspberry Pi. It’s basically an Asterisk
based environment with a graphical front end that’s quite accessible. Totally
open source and very flexible.
In my case I’m SIP all the way through so things like Grandstream
phones and a SIP provider upstream. Vitelity.net is a decent option, Gafachi
if you have decent volume especially off shore or IP Innovations for wholesale
if you have enough volume. There are many good options spends on your volume
and price points etc.
I have several DIDs routed to the inbound trunks and route them to auto
attendants or extensions as needed.
In terms of volume, depends on the CODECs used and if you’re
transcoding etc. I’ve done more than 24 parallel channels so supporting
something similar to a DS1 should be more than doable.
Hope that helps
On Mar 5, 2020, at 12:37 PM, Tim Chase <raspberry-vi@xxxxxxxxxxxxxxxxx> wrote:
On March 5, 2020, Scott Granados wrote:
running small phone systems
Could I trouble you share more about your configuration? I've had an
itching to do this for a long time and never actually moved forward
with it. So I've got a bunch of questions (smile):
- Are you using traditional phones with special POTS hardware
attached to your RPi? Or are you using VoIP phones (possibly with
PoE) or soft-phones?
- Do you have any recommendations on choosing a VoIP backend
provider to route calls to the POTS network? Or more generically,
how are you connecting to the outside POTS world?
- How many internal phones does your RPi setup handle?
- Are you running more than one direct-inward-dial-in (DID) number,
or do you share a smaller pool of DID numbers across a greater
number of internal phones?
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