I am "not subscribed" to the ATT CallVantage modem support, yet visitors are able to use their laptop modems to dial out. Why?
Does enabling "Fax and Modem Support" degrade (somewhat) my internet service?
I am "not subscribed" to the ATT CallVantage modem support, yet visitors are able to use their laptop modems to dial out. Why?
Does enabling "Fax and Modem Support" degrade (somewhat) my internet service?
Maybe because the voice codec you're using is G.711, or even G.726 32kpbs, which are adequate for transfer of fax and modem traffic. Or, it's possible that your VoIP provider "upspeeds" fax and modem traffic (essentially allocating more bandwidth to these applications when their use is detected).
Simply *enabling* "Fax and Modem Support" should not degrade anything. of course, actually *using* the service will, because it will rob bandwidth from your voice app.
James
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