galaxy s4 recent call list

[CHAWEB98]

On my galaxy s4 recent call list, the icon on the far left shows up in different colors (green, orange, blue). What do these different colors mean?

[vzw_customer_support]

Chaweb98, I always want to make sure I understand my device. What does this icon look like?

AlbertoR_VZW
Follow us on Twitter @VZWSupport
If my response answered your question please click the �Correct Answer� button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!