Grandstream UCM6300A provides up to 5 layers of IVR (Interactive Voice Response) in multiple languages, max users of 250, and 50 concurrent calls which make it the best option for startups and small businesses.
Grandstream UCM6300A IP PBX Features
Multiple configurable call queues, automatic call distribution (ACD)
Up to 5 layers of IVR (Interactive Voice Response) in multiple languages
Free App available for desktop, web, and mobile
Enable/disable option upon call establishment and termination