If you want to send SMS to mobile users in Tanzania, we support bulk SMS and transactional SMS through our website, API or your email account.
When sending SMS to Zimbabwe, you can enjoy the following features:
I have found tm4b's customer support professional, responsive and focused around my needs.
Although I sense they deal with a great number of people, they have always offered me a personal service, with a named contact who always answers emails.
The web front end is elegant and designed for usability. I have found the API usable and well documented, and the ticket based support system is efficient.