Based on our record, Sip.us seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I am using the cloud hosted version of 3CX - my trunk is from sip.us and am/was using Telnyx for SMS to the same number. It was working fine until maybe a month ago. I am now realizing I think update 6 broke it. Source: over 2 years ago
I tried calling from my 3cx app to my cell phone. The calls make it to sip.us but show failed still. Source: about 3 years ago
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