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Command Resource

The Command resource enables you to exchange simple machine-to-machine messages with SMS-capable devices. For example, you could use a Command resource to instruct a device to change its APN.

While SMS is used as the transport, the SIM does not require an addressable phone number to receive a Command. This is the major distinction from Twilio's Messages resource, which can be used for conversational messaging.

Any SMS message sent from a SIM to a pre-determined phone number (see Receive a Command from a SIM) is interpreted as a Command and sent to the Commands Callback URL of the Sim resource.

Commands can be sent and received using the SMS text mode or binary (PDU) mode. Text-mode Commands have a maximum length of 160 single-byte characters. Binary-mode Commands have a maximum length of 140 bytes.

To receive and process a Command sent to your device, you will interface with the modem directly, probably using AT Commands. You should consult with the GSM/LTE module manufacturer's documentation for information about receiving SMS messages.

非同期のリソース

The Command resource performs Asynchronous Operations. To receive an asynchronous notification when a Command resource has finished updating, provide a callback URL, and optionally a callback method parameter, when you create the Command.

Command properties

Resource Properties in REST API format
`sid`	sid<DC> Not PII The unique string that we created to identify the Command resource.
`account_sid`	sid<AC> Not PII The SID of the Account that created the Command resource.
`sim_sid`	sid<DE> Not PII The SID of the Sim resource that the Command was sent to or from.
`command`	文字列 PII MTL: 30 DAYS メッセージがSIMに、またはSIMから送信されます。テキストモードのメッセージでは、半角ASCII文字160字以内に収めることが必要です。バイナリーモードのメッセージでは、base64を使用してエンコーディングされる、最大140バイトの一連のデータです。
`command_mode`	enum:command_mode Not PII The mode used to send the SMS message. Can be: `text` or `binary`. The default SMS mode is `text`.
`transport`	enum:transport Not PII The type of transport used. Can be: `sms` or `ip`.
`delivery_receipt_requested`	boolean Not PII Whether to request a delivery receipt.
`status`	enum:status Not PII The status of the Command. Can be: `queued`, `sent`, `delivered`, `received`, or `failed`. See Status Values for a description of each state.
`direction`	enum:direction Not PII The direction of the Command. Can be `to_sim` or `from_sim`. The value of `to_sim` is synonymous with the term `mobile terminated`, and `from_sim` is synonymous with the term `mobile originated`.
`date_created`	date_time<iso8601> Not PII The date and time in GMT when the resource was created specified in ISO 8601 format.
`date_updated`	date_time<iso8601> Not PII The date and time in GMT when the resource was last updated specified in ISO 8601 format.
`url`	url Not PII The absolute URL of the resource.

ステータス値

Status	概要
`queued`	The Command is queued in our network waiting to be sent to the SIM.
`sent`	コマンドがSIMに送信されました。
`delivered`	コマンドがSIMに配信されました。（`to_sim`コマンド向け）
`received`	コマンドがSIMから受信されました。（`from_sim`コマンド向け）
`failed`	コマンドに失敗しました。

Create a Command resource

post

https://wireless.twilio.com/v1/Commands

Creating a Command resource sends the command to the SIM.

コールバック値

Outgoing Command delivery is asynchronous, so we recommend that you pass a callback URL when you create the new Command.

When you providea callback URL, we call it when the attempt to send the Command completes.

We send these parameters to the callback URL:

パラメーター	概要
`CommandSid`	このコールバックが参照しているコマンドです。
`CommandStatus`	コマンドの現在のステータスです。
`SimSid`	このコマンの送信先のSIMです。
`SimUniqueName`	存在する場合、受信側のSIMのUniqueName（一意な名前）です。
`ErrorCode`	エラーの発生時、エラーコードが提供されます。
`ErrorMessage`	エラーの発生時、エラーメッセージが提供されます。
`ApiVersion`	最初のリクエストが発行されたAPIのバージョンです。
`AccountSid`	The SID of the Account that this Command belongs to.
`CommandMode`	SMSの送信にどのモードが使用されたかを表す文字列です。 `text` あるいは `binary` のいずれかです。

If the CallbackMethod parameter was set to POST, or not provided, the callback parameters are delivered as HTML form parameters. If theCallbackMethod parameter was set to GET, the callback parameters are delivered as a query string.

パラメーター

Parameters in REST API format
`command` 必須	post 文字列 PII MTL: 30 DAYS The message body of the Command. Can be plain text in text mode or a Base64 encoded byte string in binary mode.
`sim` オプション	post 文字列 Not PII The `sid` or `unique_name` of the SIM to send the Command to.
`callback_method` オプション	post http_method Not PII The HTTP method we use to call `callback_url`. Can be: `POST` or `GET`, and the default is `POST`.
`callback_url` オプション	post url Not PII The URL we call using the `callback_url` when the Command has finished sending, whether the command was delivered or it failed.
`command_mode` オプション	post enum:command_mode Not PII The mode to use when sending the SMS message. Can be: `text` or `binary`. The default SMS mode is `text`.
`include_sid` オプション	post 文字列 Not PII Whether to include the SID of the command in the message body. Can be: `none`, `start`, or `end`, and the default behavior is `none`. When sending a Command to a SIM in text mode, we can automatically include the SID of the Command in the message body, which could be used to ensure that the device does not process the same Command more than once. A value of `start` will prepend the message with the Command SID, and `end` will append it to the end, separating the Command SID from the message body with a space. The length of the Command SID is included in the 160 character limit so the SMS body must be 128 characters or less before the Command SID is included.
`delivery_receipt_requested` オプション	post boolean Not PII Whether to request delivery receipt from the recipient. For Commands that request delivery receipt, the Command state transitions to 'delivered' once the server has received a delivery receipt from the device. The default value is `true`.

例 1

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Send the 'wakeup' command to the 'AliceSmithSmartMeter' SIM

Create a text Command resource

Send the 'wakeup' command to the 'AliceSmithSmartMeter' SIM

例 2

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Send a binary command to the 'AliceSmithSmartMeter' SIM

Create a binary Command resource

Send a binary command to the 'AliceSmithSmartMeter' SIM

Fetch a Command resource

GET

https://wireless.twilio.com/v1/Commands/{Sid}

パラメーター

Parameters in REST API format

sid

Path

GET sid<DC> Not PII

The SID of the Command resource to fetch.

例 1

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Fetch a Command resource

Read multiple Command resources

GET

https://wireless.twilio.com/v1/Commands

パラメーター

Parameters in REST API format
`sim` オプション	GET 文字列 Not PII The `sid` or `unique_name` of the Sim resources to read.
`status` オプション	GET enum:status Not PII The status of the resources to read. Can be: `queued`, `sent`, `delivered`, `received`, or `failed`.
`direction` オプション	GET enum:direction Not PII この方向のコマンドのみを返します。
`transport` オプション	GET ienum:transport Not PII Only return Commands with this transport value. Can be: `sms` or `ip`.

例 1

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Read multiple Command resources

Delete a Command resource

削除する

https://wireless.twilio.com/v1/Commands/{Sid}

パラメーター

Parameters in REST API format

sid

Path

削除する sid<DC> Not PII

The SID of the Command resource to delete.

例 1

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Delete a Command resource

Receive a Command From a SIM

To receive a Command from a SIM, that is, a mobile-originated Command, you should create or update an existing SIM instance and provide a CommandsCallbackUrl property, and optionally a CommandsCallbackMethod property.

When a SIM sends an SMS message to the reserved phone number 2936, a Command resource will be created and your Commands Callback URL will be invoked. The Callback request will include the following parameters.

パラメーター	概要
`CommandSid`	The SID of this Command.
`SimSid`	このコマンドの送信元のSIMです。
`SimUniqueName`	存在する場合、送信側のSIMのUniqueName（一意な名前）です。
`Command`	コマンドメッセージの本文です。 `text`モードでは、この値は160文字以内（日本語を含む場合70文字以内）のテキストです。 `binary`モードの場合、この値は最大サイズが140バイトの、Base64でエンコーディングされた文字列です。
`Status`	Will always be the string `received`.
`ApiVersion`	最初のリクエストが発行されたAPIのバージョンです。
`AccountSid`	The SID of the Account that this Command belongs to.
`CommandMode`	どのモードでSMSが受信されたかを表す文字列です。 `text` あるいは `binary` のいずれかです。

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