<div>Yes IP makes it easier but you still have to 'plugin' to the PSTN somewhere and in some fashion correct? Unless you have nothing but SIP peering it does get a little more complicated (although I'm new to the VoIP world and do not know SS7). Then you still have to worry about your call processing platform: can it live with being greater than x ms apart from it's redundant pair? What about CDR's and reporting - how do you merge those coming from multiple sources? I would think there's also rate center and latency issues as well with outbound routing of calls (send calls out the cheapest carrier that will allow it). I don't think any of it's impossible, but the presence of IP doesn't remove all complexity.</div>
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<div>I like David's idea of a VoiceOps working group to help define options. Sounds like fun</div>
<div>Kenny</div>
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<div class="gmail_quote">On Tue, Aug 11, 2009 at 7:23 AM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com">abalashov@evaristesys.com</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">Seems to me like one of the main arguments for moving to IP infrastructure - alongside the numerous arguments telco people have against it - is that it makes this type of redundancy a lot more achievable and cost-effective.<br>
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Mobile : (+1) (678) 237-1775</font>
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