[Asterisk-Users] iaxy vs sipura

[John Kington]

At 09:54 PM 9/7/2004 +0900, Benjamin on Asterisk Mailing Lists 
<benjk.on.asterisk.ml at gmail.com> wrote:

>For travelling, no SIP based device will be "configure and forget".
>Perhaps if you travel only within the US, you may be lucky most of the
>time but pretty much anywhere else where IP addresses are scarce you
>will be out of luck.
>
>I have been travelling a lot on all inhabited continents, using hotel
>provided internet connections, internet cafes, client's office LANs,
>hotspots in public places, cafes, airports etc etc.
>
>The most common experience is "SIP doesn't work at all" and the second
>most common experience is "SIP only works after messing around a lot".

What about sip softphones that use STUN? I am especially interested in UK 
because
my daughter is going to study in London.

Regards,
John