Or is it?

Assuming that the ITSP is SIP based why not move the port from 5060 to something else?

Granted they might be looking at trhe flavour of the packets but perhaps they are not.

Of one has to supply the customer with an ATA why not make it an IAX one?



Mark, G7LTT/KC2ENI
Randolph, NJ
http://www.g7ltt.com


Rusty Shackleford wrote:
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tony Nichols
Sent: Wednesday, February 01, 2006 8:50 AM
To: Commercial and Business-Oriented Asterisk Discussion
Subject: RE: [asterisk-biz] Is ISP Blocking VoIP

Technically, yes, but in the many cases, (most, IMHO), such an approach is completely impractical. The processing

overhead added by
the VPN is not inconsequential. Move importantly, deploying

VPN's for
every endpoint connecting to an ITSP or IPPBX could be ruinous.

I have been using the 3com office connect <very cheap> for vpn'ing to our other offices. I needed terminal server access anyway... but I have had no issues pushing sip down the pipe (one office has a 512kb cable
modem) and still using terminal services at the same time.


Again, your model, while it is clearly quite sericable for your
situation, is utterly unworkable for an ITSP.

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