suppose we have account with the following information:
extension=1000
secret=12345
callerid=userA
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now the user(B,C,D ..) -NOT IMPORTANT who?- stolen the account informations of userA and want to login using userA account
while the userA is now connect to server,but at the same time userB register on sip phone using userA iformations(extesion=1000,secret=12345,...)
and by set multi_registering=false the userA is not connected now, and userB is now connected because only one user able to register
but i don't want this situation appear,i want to set if userA is now connected the other user
couldn't connect using same informations
thanksss