# UpdateSipMediaApplicationCall


Invokes the AWS Lambda function associated with the SIP media application and transaction ID in an update request. The Lambda function can then return a new set of actions.

## Request Syntax


```
POST /sip-media-applications/sipMediaApplicationId/calls/transactionId HTTP/1.1
Content-type: application/json

{
   "Arguments": { 
      "string" : "string" 
   }
}
```

## URI Request Parameters


The request uses the following URI parameters.

 ** [sipMediaApplicationId](#API_voice-chime_UpdateSipMediaApplicationCall_RequestSyntax) **   <a name="chimesdk-voice-chime_UpdateSipMediaApplicationCall-request-uri-SipMediaApplicationId"></a>
The ID of the SIP media application handling the call.  
Pattern: `.*\S.*`   
Required: Yes

 ** [transactionId](#API_voice-chime_UpdateSipMediaApplicationCall_RequestSyntax) **   <a name="chimesdk-voice-chime_UpdateSipMediaApplicationCall-request-uri-TransactionId"></a>
The ID of the call transaction.  
Pattern: `.*\S.*`   
Required: Yes

## Request Body


The request accepts the following data in JSON format.

 ** [Arguments](#API_voice-chime_UpdateSipMediaApplicationCall_RequestSyntax) **   <a name="chimesdk-voice-chime_UpdateSipMediaApplicationCall-request-Arguments"></a>
Arguments made available to the Lambda function as part of the `CALL_UPDATE_REQUESTED` event. Can contain 0-20 key-value pairs.  
Type: String to string map  
Map Entries: Minimum number of 0 items. Maximum number of 20 items.  
Required: Yes

## Response Syntax


```
HTTP/1.1 202
Content-type: application/json

{
   "SipMediaApplicationCall": { 
      "TransactionId": "string"
   }
}
```

## Response Elements


If the action is successful, the service sends back an HTTP 202 response.

The following data is returned in JSON format by the service.

 ** [SipMediaApplicationCall](#API_voice-chime_UpdateSipMediaApplicationCall_ResponseSyntax) **   <a name="chimesdk-voice-chime_UpdateSipMediaApplicationCall-response-SipMediaApplicationCall"></a>
A `Call` instance for a SIP media application.  
Type: [SipMediaApplicationCall](API_voice-chime_SipMediaApplicationCall.md) object

## Errors


For information about the errors that are common to all actions, see [Common Errors](CommonErrors.md).

 ** BadRequestException **   
The input parameters don't match the service's restrictions.  
HTTP Status Code: 400

 ** ForbiddenException **   
The client is permanently forbidden from making the request.  
HTTP Status Code: 403

 ** NotFoundException **   
The requested resource couldn't be found.  
HTTP Status Code: 404

 ** ResourceLimitExceededException **   
The request exceeds the resource limit.  
HTTP Status Code: 400

 ** ServiceFailureException **   
The service encountered an unexpected error.  
HTTP Status Code: 500

 ** ServiceUnavailableException **   
The service is currently unavailable.  
HTTP Status Code: 503

 ** ThrottledClientException **   
The number of customer requests exceeds the request rate limit.  
HTTP Status Code: 429

 ** UnauthorizedClientException **   
The client isn't authorized to request a resource.  
HTTP Status Code: 401

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chime-sdk-voice-2022-08-03/UpdateSipMediaApplicationCall)