According to various embodiments of the disclosure, an electronic device and a method of executing a function of the electronic device comprise at least one communication circuit, a speaker, a microphone, at least one processor operatively connected with the communication circuit, the speaker, and the microphone, and a memory operatively connected with the at least one processor, wherein the memory stores instructions which, when executed by the at least one processor cause the electronic device to: perform a call with a first external electronic device through the communication circuit, activate a voice-based intelligent service while the call is performed, identify a voice input through the microphone while the call is performed, and transmit data associated with the voice input to an external server through the communication circuit at least in part for automatic speech recognition (ASR) and/or natural language understanding (NLU).