# Dialogflow V2 API - Module Google::Cloud::Dialogflow::V2::Connection::State (v1.16.1)

1.16.1 (latest) 1.16.0 1.15.0 1.14.0 1.13.0 1.12.1 1.11.0 1.10.1 1.9.1 1.8.0 1.7.0 1.6.0 1.5.0 1.4.1 1.3.0 1.2.0 1.1.1 1.0.0 0.34.0 0.33.0 0.32.2 0.31.0 0.30.0 0.29.0 0.28.0 0.27.0 0.26.2 0.25.0 0.24.0 0.23.0 0.22.0 0.21.0 0.20.0 0.19.0 0.18.0 0.17.1 0.16.0 0.15.2 0.14.0 0.13.0 0.12.0 Reference documentation and code samples for the Dialogflow V2 API module Google::Cloud::Dialogflow::V2::Connection::State.

The state of Sip Trunk connection.

## Constants

### STATE_UNSPECIFIED

**value:** 0  
SIP Trunk connection state is Not specified.

### CONNECTED

**value:** 1  
SIP Trunk connection is connected.

### DISCONNECTED

**value:** 2  
SIP Trunk connection is disconnected.

### AUTHENTICATION_FAILED

**value:** 3  
SIP Trunk connection has authentication error.

### KEEPALIVE

**value:** 4  
SIP Trunk connection is keepalive.