sip 401 unauthorized

[Sindu9156]

When i run this project with my credentials it gives the below error and the call is not connected
SIP/2.0 401 Unauthorized
Via: SIP/2.0/WSS anynbtm7v2zx.invalid;branch=z9hG4bK5367619
From: "My Web Caller" sip:myAccountId@gw.webrtc-app.bandwidth.com;tag=4ot951be1v
To: sip:+14088138787@gw.webrtc-app.bandwidth.com;tag=1c1840194368
Call-ID: 0e44hkg9jkc3v0nm052a
CSeq: 1823 INVITE
www-authenticate: Bearer error="invalid_request"
Content-Length: 0