1.1.1.1-2.2.2.2:$sip$*1.1.1.1*2.2.2.2*Fake*xz.fake.com*REGISTER*sip*2.2.2.2*5060*1111111111-1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa*1aAAAAAAAAAAAAA*11111111*auth*MD5*1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa