Send SMS From CRM in Bitrix24
Free Bitrix24 CRM allows you to send SMS (including bulk SMS messaging if you use our marketing automation tools). We have Twilio, Plivo and Lox integrations, but you can use your own SMS provider as well (our telephony API is open - https://www.bitrix24.com/apps/dev.php ). SMS are priced from $0.004 per SMS, depending on the market. Don't forget that email marketing, voice broadcasting, Facebook and Adword retargeting are available inside Bitrix24 as well.