I need an API that allows users to have voice call with each other (and multiple users) just like WhatsApp and signal. which is best voice call API and SDK provider from this list:https://www.contus.com/blog/top-voice-api-sdk-providers/
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I've been using the MirrorFly VOIP app for the past year in my enterprise, and it has worked well for voice calls, including both one-on-one and group calls. It also integrates easily with other APIs. That being said, if you’re looking for a variety of options, you can explore a list of other SIP VOIP providers here: https://www.apphitect.ae/blog/best-voip-service-providers/