[cisco-voip] SIP Trunk to Paetec ITSP

Scott Voll svoll.voip at gmail.com
Fri Jun 19 18:02:41 EDT 2009


specially with pre cm 5.x I would defently make them buy a CUBE. But that's
just my two cents.
Scott

On Fri, Jun 19, 2009 at 10:57 AM, <tednugent73 at gmail.com> wrote:

> Uggh.. This keeps getting better the more I dig into it... they're running
> CM4.2 which I know requires a hardware based MTP to pull DTMF out of band,
> however other than that and the potential port issues on the firewall what
> are the implications of running an ITSP trunk on 4.x? I’ve always thought of
> SIP trunking (SIP anything) pre-5.x as a novelty at best… Are there any
> features/functionality that might be missing and/or should I pressure them
> to upgrade to CM6.x+ beforehand (not even sure if that’s an option at this
> stage in the game)? I’m loading up the SRND as we speak but any real world
> feedback is greatly welcome. Thanks Matt and Paul for your responses!
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