The Billogram PHP Sample Code by Billogram demonstrates how to create a customer, create a billogram, and send billogram with the delivery method 'letter.' An additional function shows how to send an invoice in PDF via email.
Businesses are using a voice over Internet service to address a common problem: The gap between online users and customer care centers. A 2011 TeaLeaf survey found the abandonment rate for online shoppers reaches 41 percent when these customers encounter a problem. One way companies are addressing the problem is by integrating VoIP APIs within their websites so customers can click-to-call for help, according to a SureVoIP blog post.