Re: Out of Band Connectivity Via Modems

Have you tried setting calling modem to 2400 baud and see if that helps?
If call is routed via VoIP infrastructure at any point you are most
likely out of luck getting anything higher. Usual disclaimers about
different codecs, ymmv, etc.

Regards,
Andrey.

On 8/29/2014 12:55 PM, mdb1986 wrote:
> Hello Experts:
>
> Does anyone here have a good way to debug a modem handshake? We are seeing
> a chronic problem of one modem dialing another modem, we see call "RING" on
> the remote modem, but it never connects. Calls seem to be processed out
> our infrastructure fine. Carrier says they are routing as expected. I
> suspect there are some parameters that are not being agreed upon between
> the two devices, but the level of troubleshooting I'm able to do seems
> extremely limited.
>
> A few AT commands which will show you the stats, signal quality, etc., of a
> call that connects, but nothing that shows what's occurring as the modems
> are attempting to agree with one another, prior to call connecting.
>
> Thanks in advance.
>
>
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Received on Fri Aug 29 2014 - 14:12:11 ART