ElevenLabs Japan GK (Headquarters: Chiyoda-ku, Tokyo; Japan & Korea General Manager: Moto Tamura, hereinafter "ElevenLabs") and NTT DOCOMO Business Corporation (Headquarters: Chiyoda-ku, Tokyo; President and CEO: Katsushige Kojima, hereinafter "NTT DOCOMO Business") have launched a collaboration (hereinafter "the collaboration") aimed at realizing contact center responses using natural-sounding voice AI. This collaboration is supported by an investment and partnership initiative from NTT DOCOMO Ventures Inc. (Headquarters: Minato-ku, Tokyo; President and CEO: Yūko Sasahara, hereinafter "NTT DOCOMO Ventures") into ElevenLabs. Under this collaboration, ElevenLabs' advanced voice AI technology capable of generating human-like speech will be combined with NTT DOCOMO Business's expertise in contact center operations and AI implementation, aiming to simultaneously improve service quality and operational efficiency in contact center responses. 1. Background and Objectives In recent years, contact centers have faced growing challenges due to labor shortages and increasingly complex customer inquiries, making it difficult to balance operational efficiency with high-quality service. While expectations for AI adoption are rising to address these issues, human-like, natural conversation—complete with appropriate intonation, pauses, and contextual awareness—is essential in customer service settings. Response delays, in particular, can lead to customer anxiety or discomfort, posing a significant barrier to practical AI deployment. In sectors such as finance, responses must not only be accurate and fast but also convey politeness and reassurance. There is therefore a strong demand for AI solutions that maintain this high level of service quality. ElevenLabs provides a voice AI platform centered on speech generation and speech understanding, with a key strength in reproducing speech that sounds indistinguishable from human voices. The company has supported real-world, operational-l