From: "Robert D. Kight" <[email protected]> Subject: Approvals in Brazil and Mexico
Where can I get information on the PSTN in Brazil and Mexico? =20 I am designing a POTS analog phone dialer for use in these two = countries. How do I make it work? (charactersitic impedance, loop = current, etc.) And how do I get it certified? (CTR21 equivalent?) =20 Thanks Bob Kight STS Communications [email protected] =20 ------=_NextPart_000_025E_01BE28FF.3B024A90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content=3Dtext/html;charset=3Diso-8859-1 = http-equiv=3DContent-Type> <META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR> </HEAD> <BODY bgColor=3D#ffffff> <DIV> <DIV><FONT size=3D2>Where can I get information on the PSTN in Brazil = and=20 Mexico?</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>I am designing a POTS analog phone dialer for use in = these two=20 countries. How do I make it work? (charactersitic impedance, loop = current,=20 etc.) And how do I get it certified? (CTR21 = equivalent?)</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Thanks</FONT></DIV> <DIV><FONT size=3D2>Bob Kight</FONT></DIV> <DIV><FONT size=3D2>STS Communications</FONT></DIV> <DIV><FONT size=3D2><A=20 href=3D"mailto:[email protected]";>[email protected]= </A></FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV></DIV></BODY></HTML> ------=_NextPart_000_025E_01BE28FF.3B024A90--
