SVN vs ast1.4.21

Hi all,

I have one simple question.
What could be basic difference in between version asterisk 1.4.21.2
and asterisk SVN-branch-1.4-r124910?

Regards
Mushfiq

1.4.21.2 is the end of the “Zaptel” only tree of Asterisk. The SVN branch is fully patched and (perhaps) DAHDI capable.