But some phone systems don't respond if the ringing voltage is too low. You might try Innomedia. We've had decent luck with them.
On Thu, Mar 24, 2022 at 5:49 PM Carlos Alvarez <[email protected]> wrote: > Not sure on your reason for this, but I can tell you that I have a > Grandstream connected to a 60s rotary phone and it rings just as strong as > ever. > > https://studio.youtube.com/video/r88JcZQE3B0/edit > > > On Thu, Mar 24, 2022 at 2:35 PM Mike Hammett <[email protected]> wrote: > >> I'm looking for ATAs that produce a 90-volt ring. My Zhone only does 40v >> and my Grandstream only does 52v. It looks like the Cisco SPA122 used to, >> but it's EOS. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> http://www.ics-il.com >> >> >> >> Midwest Internet Exchange >> http://www.midwest-ix.com >> >> _______________________________________________ >> VoiceOps mailing list >> [email protected] >> https://puck.nether.net/mailman/listinfo/voiceops >> > _______________________________________________ > VoiceOps mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/voiceops >
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