Yes, both Aircall and Salesmsg offer a Free Trial.
Aircall is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Salesmsg is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Aircall Starts at $30/User/Month whereas for Salesmsg Starts at $35/Month.
Some top alternatives to Aircall includes Novanet Cloud Contact Center, CloudTalk, HoduCC, Call Center Studio, Dialpad Contact Center, 3CX, Vonage Contact Center and RingCentral Contact Center.
Some top alternatives to Salesmsg includes SlickText, ExpertTexting, MOBtexting, SimpleTexting, MessageDesk, Texting.io and Falkon SMS.