I'd start with obihai. I know they support g.711u, and they have this cool "internal extension" system. You can call between obihai devices at no additional cost. The one caveat is that I can't guarantee that 711 is available with the internal calling. On Feb 7, 2015 12:26 PM, "TJ Trout" <[email protected]> wrote:
> The only other problem is that I need multiple remote systems to dial back > to a single "server" which further complicates the matter. I guess I can > just do VoIP if I can find a provider who can support that codec? > On Feb 7, 2015 11:10 AM, "Forrest Christian (List Account)" < > [email protected]> wrote: > >> At least some ATA (analog telephone adapters) will allow you to connect >> two of them together without a voip server in the middle. Using g.711u as >> a codec will get you most of the way there - a stable network connection >> with little/no packet loss and jitter should get you the rest of the way. >> >> Even better if you can find ATA's which do this AND use a wideband codec >> (aka 128kb/s instead of 56K) >> >> One specific thought is that obihai adapters also have a cloud based >> system to connect them together. This might work for you too. >> >> The trick will be to use a codec which passes enough data. gsm ain't >> gonna cut it (except perhaps at slower speeds). g.729 probably not either, >> g.711u is probably your only choice, unless you try a wideband codec. >> >> -forrest >> >> On Sat, Feb 7, 2015 at 2:58 AM, TJ Trout <[email protected]> wrote: >> >>> Does such a thing exist ? I need to take two devices that use modems to >>> communicate and make them talk over ethernet? Like a box that makes the >>> modem think it has dial tone, then establishes a virtual phone connection >>> to another box that rings the far device ? Does that make since ? >>> >>> Can't modify the existing system/modems, just want to eliminate the >>> phone line and communicate over ethernet... >>> >> >>
