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RAG & Knowledge Basesfree

AI Phone Agent with Retellai

by Davide BoizzaUpdated Aug 2026
RequiresOpenAITelegramTelegramGoogle CalendarGoogle CalendarGoogle DriveGoogle Drive
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FiFilterOpenAI Chat ModelOpenAI Chat Mod…OPStructured Output ParserStructured Outp…Wen8n_rag_functionVSRetrive Qdrant Vector StoreRetrive Qdrant …Embeddings OpenAI2Embeddings Open…TVRAGOpenAI Chat Model2OpenAI Chat Mod…RTRespond to WebhookRespond to Webh…OpenAI Chat Model1OpenAI Chat Mod…TelegramGoogle CalendarOpenAI Chat Model3OpenAI Chat Mod…OPStructured Output Parser1Structured Outp…Wen8n_callWen8n_check_availablen8n_check_avail…MaWhen clicking ‘Test workflow’When clicking ‘…VSQdrant Vector StoreQdrant Vector S…HRCreate collectionCreate collecti…HRRefresh collectionRefresh collect…Get folderDownload FilesEmbeddings OpenAIEmbeddings Open…DDDefault Data LoaderDefault Data Lo…TSToken SplitterSeSet call fieldsCLExtract key pointsExtract key poi…CLConcert start dateConcert start d…AgRetrive Agent123456
1/5
FLOWS
STEPS · 6
Starts on an incoming request

On a webhook call, runs a phone agent backed by a Qdrant knowledge base that books Google Calendar events and notifies via Telegram.

Tags

webhookadvancedOpenAITelegramSupport ChatbotAI Chatbotdiscoveredpending-review
Connects
OpenAItelegramTelegramgooglecalendarGoogle CalendargoogledriveGoogle Drive
CategoryRAG & Knowledge Bases
Triggerwebhook
Complexityadvanced
Nodes29
AddedJun 27, 2026