<--- Transmitting (NAT) to 192.168.0.103:50247 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.0.103:5061;branch=z9hG4bK53fc98b0;received=192.168.0.103
From: <sip:7002@192.168.0.99>;tag=001562ea336500661a30c4fb-35cb7bde
To: <sip:7002@192.168.0.99>;tag=as3673881a
Call-ID: 001562ea-33650002-758e4cfd-2b7e92f2@192.168.0.103
CSeq: 134 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="5adc9bea"
Content-Length: 0