The color of the line is insignificant. Pregnancy tests can only tell you if you are pregnant. The darkness of the line is no indication of how pregnant you are or how far along you are. You can use the brand tests, even from the same box and get a lighter or darker line any time.
The phantom calls that you have recieved, also known as ghost calls is usually caused by either a poor quality phone line, aka has a high amount of noise or foreign battery due to the line or your on an older copper line.
Call of Duty: Ghosts (also known as Call of Duty 10 or simply Ghosts) is the tenth main Call of Duty game. It was developed by Infinity Ward, Neversoft and Raven Software.