Hi
My Sip client in asterisk work. but with res_pjsip no ! always SIP/2.0 401 Unauthorized
I put the sip header 
Authorization: Digest username=“6000”, realm=“asterisk”, nonce=“1558087467/499e468783b2582078dd400efc84731a”, uri=“sip:192.168.1.37”, response=“24c94a1c5576782edecd7ce57dda35cc”, algorithm=MD5, cnonce=“350319951066b1ce”, qop=auth, nc=00000006
always SIP/2.0 401 Unauthorized