<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On 9/10/2015, at 5:16 AM, Jamie Rees <<a href="mailto:jrees@gmlnt.com">jrees@gmlnt.com</a>> wrote:</div><br class="Apple-interchange-newline"><div><blockquote type="cite"><div lang="EN-GB" link="#0563C1" vlink="#954F72"><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 11pt; "><snip></span></div></div></div></blockquote><blockquote type="cite"><div lang="EN-GB" link="#0563C1" vlink="#954F72"><div class="WordSection1" style="page: WordSection1; "></div></div></blockquote></div><blockquote type="cite"><div lang="EN-GB" link="#0563C1" vlink="#954F72" style="font-family: Menlo; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 11pt; ">I understand this is DTMF talkoff</span></div></div></div></blockquote><div><blockquote type="cite"><div lang="EN-GB" link="#0563C1" vlink="#954F72"><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 11pt; "><snip></span></div></div></div></blockquote><blockquote type="cite"><div lang="EN-GB" link="#0563C1" vlink="#954F72"><div class="WordSection1" style="page: WordSection1; "></div></div></blockquote></div><blockquote type="cite"><div lang="EN-GB" link="#0563C1" vlink="#954F72" style="font-family: Menlo; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 11pt; ">My question is how do people running SIP phone systems mitigate against this?</span></div></div></div></blockquote></div><br><div><br></div><div>My personal answer to this question has been to completely avoid the use of any ATAs at all. Since taking that approach I have never had to deal with the problem again.</div><div><br></div><div>Not sure how much practical use that is to you in your own situation, but it worked for me!</div><div><br></div><div>Pete</div><div><br></div></body></html>