Merged revisions 101693 via svnmerge from

Merged revisions 101693 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r101693 | russell | 2008-01-31 18:32:49 -0600 (Thu, 31 Jan 2008) | 8 lines

Add some more sanity checking on IAX2 dial strings for the case that no peer
or hostname was provided, which is the one part of the dial string that is
absolutely required.  If it's not there, bail out.

(closes issue #11897)
Reported by sokhapkin
Patch by me

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@101694 65c4cc65-6c06-0410-ace0-fbb531ad65f3