[Asterisk-doc] docs common-issues.xml,1.1,1.2

[Philipp von Klitzing]

Hi!

> - 			At this time, Asterisk will NOT work "out of the box" behind NAT.
> - 			However you can patch chan_sip which will allow SIP to work behind
> - 			NAT much like Cisco does.  For the full history of the patch, you
> - 			can view it at 
> - 			<ulink url="http://bugs.digium.com/bug_view_page.php?bug_id=0000104">http://bugs.digium.com/bug_view_page.php?bug_id=0000104</ulink>

No need to patch, this has been in CVS already since January.

Philipp