The problem with the incoming voice to sip phone behind cisco asa 5505. Network diagram is as follows:the asterisk is it in the DMZ for cisco asa 5505 in city A. Included static nat 5060 and included inspect SIP. Everything works. cisco asa 5505 have put in city B too, included inspect SIP. But SIP phone did not work correctly (no incoming voice). SIP phone is in the inside network. If SIP phone get without cisco asa 5505, then everything works.