What are some alternatives?
When comparing Telcob and MyOperator, you can also consider the following products
BulkSMS - SMS messaging service provider offering two-way SMS communication services.
CallHub - Predictive Call Center, Voice and Text Broadcasting app
Twilio - Brings voice and messaging to your web and mobile applications.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Textlocal - Textlocal is an app that allows for individual and group texting. It is designed for businesses that have employers and employees who need to communicate with each other, making it easier to announce group meetings and special announcements.
Asterisk - An open source telephony switching and private branch exchange service for Linux.