azure-communication-callautomation-java

仓库: sickn33/antigravity-awesome-skills
安装量: 50
排名: #14834

安装

npx skills add https://github.com/sickn33/antigravity-awesome-skills --skill azure-communication-callautomation-java

Azure Communication Call Automation (Java) Build server-side call automation workflows including IVR systems, call routing, recording, and AI-powered interactions. Installation < dependency

< groupId

com.azure </ groupId

< artifactId

azure-communication-callautomation </ artifactId

< version

1.6.0 </ version

</ dependency

Client Creation import com . azure . communication . callautomation . CallAutomationClient ; import com . azure . communication . callautomation . CallAutomationClientBuilder ; import com . azure . identity . DefaultAzureCredentialBuilder ; // With DefaultAzureCredential CallAutomationClient client = new CallAutomationClientBuilder ( ) . endpoint ( "https://.communication.azure.com" ) . credential ( new DefaultAzureCredentialBuilder ( ) . build ( ) ) . buildClient ( ) ; // With connection string CallAutomationClient client = new CallAutomationClientBuilder ( ) . connectionString ( "" ) . buildClient ( ) ; Key Concepts Class Purpose CallAutomationClient Make calls, answer/reject incoming calls, redirect calls CallConnection Actions in established calls (add participants, terminate) CallMedia Media operations (play audio, recognize DTMF/speech) CallRecording Start/stop/pause recording CallAutomationEventParser Parse webhook events from ACS Create Outbound Call import com . azure . communication . callautomation . models . * ; import com . azure . communication . common . CommunicationUserIdentifier ; import com . azure . communication . common . PhoneNumberIdentifier ; // Call to PSTN number PhoneNumberIdentifier target = new PhoneNumberIdentifier ( "+14255551234" ) ; PhoneNumberIdentifier caller = new PhoneNumberIdentifier ( "+14255550100" ) ; CreateCallOptions options = new CreateCallOptions ( new CommunicationUserIdentifier ( "" ) , // Source List . of ( target ) ) // Targets . setSourceCallerId ( caller ) . setCallbackUrl ( "https://your-app.com/api/callbacks" ) ; CreateCallResult result = client . createCall ( options ) ; String callConnectionId = result . getCallConnectionProperties ( ) . getCallConnectionId ( ) ; Answer Incoming Call // From Event Grid webhook - IncomingCall event String incomingCallContext = "" ; AnswerCallOptions options = new AnswerCallOptions ( incomingCallContext , "https://your-app.com/api/callbacks" ) ; AnswerCallResult result = client . answerCall ( options ) ; CallConnection callConnection = result . getCallConnection ( ) ; Play Audio (Text-to-Speech) CallConnection callConnection = client . getCallConnection ( callConnectionId ) ; CallMedia callMedia = callConnection . getCallMedia ( ) ; // Play text-to-speech TextSource textSource = new TextSource ( ) . setText ( "Welcome to Contoso. Press 1 for sales, 2 for support." ) . setVoiceName ( "en-US-JennyNeural" ) ; PlayOptions playOptions = new PlayOptions ( List . of ( textSource ) , List . of ( new CommunicationUserIdentifier ( "" ) ) ) ; callMedia . play ( playOptions ) ; // Play audio file FileSource fileSource = new FileSource ( ) . setUrl ( "https://storage.blob.core.windows.net/audio/greeting.wav" ) ; callMedia . play ( new PlayOptions ( List . of ( fileSource ) , List . of ( target ) ) ) ; Recognize DTMF Input // Recognize DTMF tones DtmfTone stopTones = DtmfTone . POUND ; CallMediaRecognizeDtmfOptions recognizeOptions = new CallMediaRecognizeDtmfOptions ( new CommunicationUserIdentifier ( "" ) , 5 ) // Max tones to collect . setInterToneTimeout ( Duration . ofSeconds ( 5 ) ) . setStopTones ( List . of ( stopTones ) ) . setInitialSilenceTimeout ( Duration . ofSeconds ( 15 ) ) . setPlayPrompt ( new TextSource ( ) . setText ( "Enter your account number followed by pound." ) ) ; callMedia . startRecognizing ( recognizeOptions ) ; Recognize Speech // Speech recognition with AI CallMediaRecognizeSpeechOptions speechOptions = new CallMediaRecognizeSpeechOptions ( new CommunicationUserIdentifier ( "" ) ) . setEndSilenceTimeout ( Duration . ofSeconds ( 2 ) ) . setSpeechLanguage ( "en-US" ) . setPlayPrompt ( new TextSource ( ) . setText ( "How can I help you today?" ) ) ; callMedia . startRecognizing ( speechOptions ) ; Call Recording CallRecording callRecording = client . getCallRecording ( ) ; // Start recording StartRecordingOptions recordingOptions = new StartRecordingOptions ( new ServerCallLocator ( "" ) ) . setRecordingChannel ( RecordingChannel . MIXED ) . setRecordingContent ( RecordingContent . AUDIO_VIDEO ) . setRecordingFormat ( RecordingFormat . MP4 ) ; RecordingStateResult recordingResult = callRecording . start ( recordingOptions ) ; String recordingId = recordingResult . getRecordingId ( ) ; // Pause/resume/stop callRecording . pause ( recordingId ) ; callRecording . resume ( recordingId ) ; callRecording . stop ( recordingId ) ; // Download recording (after RecordingFileStatusUpdated event) callRecording . downloadTo ( recordingUrl , Paths . get ( "recording.mp4" ) ) ; Add Participant to Call CallConnection callConnection = client . getCallConnection ( callConnectionId ) ; CommunicationUserIdentifier participant = new CommunicationUserIdentifier ( "" ) ; AddParticipantOptions addOptions = new AddParticipantOptions ( participant ) . setInvitationTimeout ( Duration . ofSeconds ( 30 ) ) ; AddParticipantResult result = callConnection . addParticipant ( addOptions ) ; Transfer Call // Blind transfer PhoneNumberIdentifier transferTarget = new PhoneNumberIdentifier ( "+14255559999" ) ; TransferCallToParticipantResult result = callConnection . transferCallToParticipant ( transferTarget ) ; Handle Events (Webhook) import com . azure . communication . callautomation . CallAutomationEventParser ; import com . azure . communication . callautomation . models . events . * ; // In your webhook endpoint public void handleCallback ( String requestBody ) { List < CallAutomationEventBase

events

CallAutomationEventParser . parseEvents ( requestBody ) ; for ( CallAutomationEventBase event : events ) { if ( event instanceof CallConnected ) { CallConnected connected = ( CallConnected ) event ; System . out . println ( "Call connected: " + connected . getCallConnectionId ( ) ) ; } else if ( event instanceof RecognizeCompleted ) { RecognizeCompleted recognized = ( RecognizeCompleted ) event ; // Handle DTMF or speech recognition result DtmfResult dtmfResult = ( DtmfResult ) recognized . getRecognizeResult ( ) ; String tones = dtmfResult . getTones ( ) . stream ( ) . map ( DtmfTone :: toString ) . collect ( Collectors . joining ( ) ) ; System . out . println ( "DTMF received: " + tones ) ; } else if ( event instanceof PlayCompleted ) { System . out . println ( "Audio playback completed" ) ; } else if ( event instanceof CallDisconnected ) { System . out . println ( "Call ended" ) ; } } } Hang Up Call // Hang up for all participants callConnection . hangUp ( true ) ; // Hang up only this leg callConnection . hangUp ( false ) ; Error Handling import com . azure . core . exception . HttpResponseException ; try { client . answerCall ( options ) ; } catch ( HttpResponseException e ) { if ( e . getResponse ( ) . getStatusCode ( ) == 404 ) { System . out . println ( "Call not found or already ended" ) ; } else if ( e . getResponse ( ) . getStatusCode ( ) == 400 ) { System . out . println ( "Invalid request: " + e . getMessage ( ) ) ; } } Environment Variables AZURE_COMMUNICATION_ENDPOINT = https:// < resource

.communication.azure.com AZURE_COMMUNICATION_CONNECTION_STRING = endpoint = https:// .. . ; accesskey = .. . CALLBACK_BASE_URL = https://your-app.com/api/callbacks Trigger Phrases "call automation Java", "IVR Java", "interactive voice response" "call recording Java", "DTMF recognition Java" "text to speech call", "speech recognition call" "answer incoming call", "transfer call Java" "Azure Communication Services call automation" When to Use This skill is applicable to execute the workflow or actions described in the overview.

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