<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>I have a client that is building a purpose-built system for a client. The transport system will be HF radios. SIP will be used between the CUCMEs (one at either end of the HF link). One CUCME will also have FXO ports to bring in the local PBX.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>What I am looking for is a gateway device that will answer the FXO, execute PLAR, but not cut in the audio path to allow for the HF network to make the connection.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>So, the FXO/gateway would sense the ring voltage on the line, generate a PLAR/SIP call, and then after the far end SIP acknowledgement comes back, drop the loop (assuming loop start) so that the audio patch is complete.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>I know this is really reaching….but does anyone have any pointers to any products?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>T1 / E1 trunking is not available. My client’s customer will also not accept two stage dialing – I have already been down both of those paths.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>------------------------------------------------------------------------------------</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Dr. Jeffrey T. Girard (Jeff), PhD</span><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Colonel, United States Army (Retired)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Senior Network Engineer / VoIP Engineer - WireMeHappy.com</span><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>reply to: <a href="mailto:jeffrey.girard@wiremehappy.com"><span style='color:blue'>jeffrey.girard@wiremehappy.com</span></a></span><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>(607)835-0406 (home office)</span><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>(845)764-1661 (mobile)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>(607)835-0458 (fax)</span><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>