State

Default/initial state; call state cannot be determined.

Outgoing call: INVITE sent, waiting for provisional response.

Outgoing call: remote party is ringing (180 Ringing received).

Outgoing call: called party is busy (486 response). Terminal, Failed.

Incoming call: user answered, media setup in progress.

Incoming call: protocol-level setup in progress, user has not answered.

Incoming call: alerting the user (ringing locally). This is the initial state for pushed incoming calls received from SIPIS.

Incoming call: user explicitly ignored the call on call screen or silenced the ringer.

Incoming call: user explicitly rejected. Terminal.

Incoming call: caller hung up or timed out before user answered. Terminal.

Call connected: signaling/media session established; actual media may be muted/on hold/one-way.

Call failed due to RTP, transport, or logic error. Terminal, Failed.

Authentication with server failed. Terminal, Failed.

Call ended normally (BYE exchanged or clean hangup). Terminal.

Incoming call: forwarded to another destination by user. Terminal.

Incoming call: answered on another device (same account). Terminal.

Outgoing call: server redirected to alternative service (3xx/location). Terminal.

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns an array containing the constants of this enum type, in the order they're declared. This method may be used to iterate over the constants.