The WebRTC API's RTCIceCredentialType enumerated string type defines the authentication method used to gain access to an ICE server identified by an RTCIceServer object.
oauthThe RTCIceServer requires the use of OAuth 2.0 to authenticate in order to use the ICE server described. This process is detailed in RFC 7635. This property was formerly called token.
passwordThe RTCIceServer requires a username and password to authenticate prior to using the described ICE server.
The following values are no longer part of the WebRTC specification, but were in the past.
tokenAuthenticating with the ICE server requires the use of an OAuth 2.0 token as defined in RFC 7635. This value has been renamed to oauth.
| Specification | 
|---|
| WebRTC 1.0: Real-Time Communication Between Browsers (WebRTC 1.0) # dom-rtcicecredentialtype  | 
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
RTCIceCredentialType | 
No  | 
No  | 
47  | 
No  | 
No  | 
No  | 
No  | 
No  | 
47  | 
No  | 
No  | 
No  | 
oauth | 
No  | 
No  | 
No  | 
No  | 
No  | 
No  | 
No  | 
No  | 
No  | 
No  | 
No  | 
No  | 
password | 
No  | 
No  | 
47  | 
No  | 
No  | 
No  | 
No  | 
No  | 
47  | 
No  | 
No  | 
No  | 
token | 
No  | 
No  | 
47-68  | 
No  | 
No  | 
No  | 
No  | 
No  | 
47-68  | 
No  | 
No  | 
No  | 
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    https://developer.mozilla.org/en-US/docs/Web/API/RTCIceCredentialType