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Really destroying SIP dialog '289d42cd7da33f862387d0a07a16450c@10.1.1.1' Method: OPTIONS
Retransmitting #6 (no NAT) to 10.1.1.201:5060:
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 10.1.1.201:5060;branch=z9hG4bKaa48bc1653f0fd6a;received=10.1.1.201
From: Max Nemkov <sip:914@10.1.1.1>;tag=59dfab32
To: 912 <sip:912@10.1.1.1>;tag=as01aefda4
Call-ID: 0fad0eaf50a889ea3bbf789311597b73@10.1.1.201
CSeq: 1 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Proxy-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="26839e26"
Content-Length: 0