There are much better/cheaper alternatives, like Bitrix24 - https://www.bitrix24.com/alternatives/free-plivo-alternative.php https://www.bitrix24.com/alternativ

There are much better/cheaper alternatives, like Bitrix24 - https://www.bitrix24.com/alternatives/free-plivo-alternative.php https://www.bitrix24.com/alternatives/free-plivo-alternative... Twilio is still the king, though it gets pricey fast.