[reSIProcate] DUM assert on receiving INFO-message

[stensil]

Hello, I try to realize some sort of SIP-server (IVR and so on) using
reSIProcate and DUM. 
My SIP-client transfer DTMF's as INFO-message with contents
"application/dtmf-relay" using ClientInviteSession::info. But DUM on the
server side dispatch message through

DialogUsageManager::processRequest -> DialogSet::dispatch ->
Dialog::dispatch -> ServerInviteSession::dispatch ->
InviteSession::dispatch -> InviteSession::dispatchConnected ->
InviteSession::toEvent 

and then throw assert at InviteSession.cpp, 1668: 
assert(0);

Sources was updated from subversion repository at 27 june 2005, revision
4993.

What should I do for normal receiving INFO messages?..

P.S. Sorry for my ugly english :(

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