* RTP stop not sent
* added debug statements for RTP
* use pcbp->req instead of -> in rtp_destroy
* removed debugging statements
* fixed uninitialized varbs
* use close_call () for no response on INVITE
Documentation
* added comment about rtpproxy limit
* adjusted to remove hold sequence in transfer out

Code
* changed to return handled if reINVITE sent
* switched to using fixup_svpe functions