as config enclosed,we have tested for phone proxy solution(ASA and CME) but found some problem that IP Phone was always keep status registering and after tried to turn debug on ASA but found nothing on ASA log? so we have tried to put ipphone to connect to outside ASA but saw logs message as follow , anyone had experience about this issue or know solution to fix this? please help to suggestion
Diagram
1. CME <-> ASA <-> ADSL <-> IPphone
problem : not seen any logs on ASA and IPPhone always shown registering
2. CME <-> ASA <-> IPphone
problem : error log message on ASA "Deny IP Spoof" and "Drop IP packet"
