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.
Ghost Calls. About Ghost Calls. A ghost call is an incoming phone call with no one on the other end, usually from a random number, and occurring persistently. Ghost calls are unfortunately a well-known problem in the telephone industry. To protect your network from ghost calls, itâs important to make sure the firmware on your phones are up-to-date.