[asterisk-biz] Is ISP Blocking VoIP

[Mark Phillips]

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: asterisk-biz-bounces at lists.digium.com 
>>[mailto:asterisk-biz-bounces at lists.digium.com] 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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