rem: if ( T  && T->inbound_response )
add: if ( T  && T->outbound_response )
context: int t_retransmit_reply( struct sip_msg* p_msg, char* foo, char* bar  ){   t_check( hash_table, p_msg );   /* if no transaction exists or no reply to be resend -> out */   if ( T  && T->inbound_response )   {      udp_send( T->inbound_response->buffer , T->inbound_response->bufflen , (struct sockaddr*)&(T->inbound_response->to) , sizeof(struct sockaddr_in) );      return 1;   }   return -1;}