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<p class="MsoNormal"><span style="color:#404040">I personally can’t speak to 3<sup>rd</sup> party FXS gateways, but I’ve worked with customers in the past whose VG224s were integrated w/ CUCM via SIP trunk. The two caveats that immediately come to mind are
applicable to a non-Cisco FXS gateway using SIP as well:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#404040"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo1"><![if !supportLists]><span style="color:#404040"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#404040">Lack of SCCP supplementary services<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:#404040"><a href="http://www.cisco.com/c/en/us/td/docs/ios/voice/fxs/configuration/guide/15_1/fxs_15_1_cg_book/fxssccpsplmft.html">http://www.cisco.com/c/en/us/td/docs/ios/voice/fxs/configuration/guide/15_1/fxs_15_1_cg_book/fxssccpsplmft.html</a><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo1"><![if !supportLists]><span style="color:#404040"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#404040">Unable to use shared line appearances between the VG2XX and non-VG2XX device.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#404040">Just two things to keep in mind. I’ve seen this sometimes act as a deal breaker w/ SIP to the FXS gateway. Hope this helps in some way.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#404040">- Dan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#404040"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>norm.nicholson@kitchener.ca<br>
<b>Sent:</b> Tuesday, August 18, 2015 7:10 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] SIP analog gateways<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone using a SIP FXS gateway instead of a VG224. Just trying to compare costs and ease of use.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="color:#00B050">Norm Nicholson<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#00B050">Telecom Analyst<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#00B050">City of Kitchener<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#00B050">(519) 741-2200 x 7000<o:p></o:p></span></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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