# Google Cloud Dialogflow V2 Client - Class TelephonyDtmf (2.4.0)

2.4.0 (latest) 2.3.1 2.2.1 2.1.2 2.0.1 1.17.2 1.16.0 1.15.1 1.14.0 1.13.0 1.12.3 1.11.0 1.10.2 1.9.0 1.8.0 1.7.2 1.6.0 1.5.0 1.4.0 1.3.2 1.2.0 1.1.1 1.0.1 Reference documentation and code samples for the Google Cloud Dialogflow V2 Client class TelephonyDtmf.

[DTMF](https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling)
digit in Telephony Gateway.

Protobuf type `google.cloud.dialogflow.v2.TelephonyDtmf`

## Namespace

Google \\ Cloud \\ Dialogflow \\ V2

## Methods

### static::name

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `value` | `mixed` |

### static::value

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `name` | `mixed` |

## Constants

### TELEPHONY_DTMF_UNSPECIFIED

    Value: 0

Not specified. This value may be used to indicate an absent digit.

Generated from protobuf enum `TELEPHONY_DTMF_UNSPECIFIED = 0;`

### DTMF_ONE

    Value: 1

Number: '1'.

Generated from protobuf enum `DTMF_ONE = 1;`

### DTMF_TWO

    Value: 2

Number: '2'.

Generated from protobuf enum `DTMF_TWO = 2;`

### DTMF_THREE

    Value: 3

Number: '3'.

Generated from protobuf enum `DTMF_THREE = 3;`

### DTMF_FOUR

    Value: 4

Number: '4'.

Generated from protobuf enum `DTMF_FOUR = 4;`

### DTMF_FIVE

    Value: 5

Number: '5'.

Generated from protobuf enum `DTMF_FIVE = 5;`

### DTMF_SIX

    Value: 6

Number: '6'.

Generated from protobuf enum `DTMF_SIX = 6;`

### DTMF_SEVEN

    Value: 7

Number: '7'.

Generated from protobuf enum `DTMF_SEVEN = 7;`

### DTMF_EIGHT

    Value: 8

Number: '8'.

Generated from protobuf enum `DTMF_EIGHT = 8;`

### DTMF_NINE

    Value: 9

Number: '9'.

Generated from protobuf enum `DTMF_NINE = 9;`

### DTMF_ZERO

    Value: 10

Number: '0'.

Generated from protobuf enum `DTMF_ZERO = 10;`

### DTMF_A

    Value: 11

Letter: 'A'.

Generated from protobuf enum `DTMF_A = 11;`

### DTMF_B

    Value: 12

Letter: 'B'.

Generated from protobuf enum `DTMF_B = 12;`

### DTMF_C

    Value: 13

Letter: 'C'.

Generated from protobuf enum `DTMF_C = 13;`

### DTMF_D

    Value: 14

Letter: 'D'.

Generated from protobuf enum `DTMF_D = 14;`

### DTMF_STAR

    Value: 15

Asterisk/star: '\*'.

Generated from protobuf enum `DTMF_STAR = 15;`

### DTMF_POUND

    Value: 16

Pound/diamond/hash/square/gate/octothorpe: '#'.

Generated from protobuf enum `DTMF_POUND = 16;`