Many of the bulk sms companies offers free demo in there panel with all support. After that when go to real account. It may have many problems, messages never deliver properly, no chat support, no account assistance etc,etc..
If you want to purchase bulk sms from any company, never ask for demo. Ask for live testing in your account and assure full support and assistance.
Happy Messaging…!!!
Visit https://smsbits.in/special_offer for live test in your account.
