[cisco-voip] SIP Trunk to Paetec ITSP

[Dustin S Fowler]

I just completed a Paetec dynamic sip T1. In my implentation the SIP is
acutally run over their MPLS. I ended up doing a IPIPGW to translate between
the provider and CUCM 6.1.3.
Let me know if you need configuration examples.

Dustin

On Fri, Jun 19, 2009 at 12:50 PM, Matt Slaga (US)
<Matt.Slaga at us.didata.com>wrote:

>  If you are willing to open up SIP (5060) and UDP range (usually
> 16384-32768, but I’ve seen some SIPTs require 1024-65535) through the
> firewall, you can terminate directly to UCM 4.1 and later (UCM 5.x and later
> preferred).  Obviously, this is not the recommended solution.  I’d love to
> see Cisco add this functionality to their ASA as kind of a SIP-proxy/edge to
> allow SIP trunks through to UCM directly but still be protected.  I hear
> that functionality is coming for Microsoft with the next Microsoft OCS
> release.
>
>
>
> You may require an advanced IOS gateway with DSPs to handle DTMF conversion
> if the SIP provider only supports inband dtmf.
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *tednugent73 at gmail.com
> *Sent:* Friday, June 19, 2009 12:38 PM
> *To:* Cisco VoIPoE List
> *Subject:* [cisco-voip] SIP Trunk to Paetec ITSP
>
>
>
> Has anyone had any experience (good bad or otherwise) with SIP Trunking to
> Paetec/USLEC? I have a new client that has ordered SIP Trunks at 3 locations
> through Paetec. They are looking for us to help them implement the solution
> in 3 weeks and I’m not seeing any CUBEs or IADs on the order and of course
> Paetec has assured them that they are not required…? I’m coming into this
> late as the “design” (or lack thereof) is already in place and I’d like to
> know if there is anything that I should be ready for. I don’t have a ton of
> experience with SIP trunks, at least not with Paetec but I know that faxing
> is always an issue and you’d need CUBE at a minimum just to get that
> working, anything else or any other comments on Paetec or SIP as a whole?
> TIA for any insight.
>
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