Husband and Wife agreed that anytime they want to have sxx, they will call it a ‘PHONE CALL’ so that the kids will not decode...

One day they had a fight and the wife stopped talking to the husband and they were talking to each other through their kids.
The husband to his son: "Tell your mom that Daddy wants to make a phone call."
Mother replies: "Tell your dad that the Network is down today."
Dad replies: "Tell your mom that if there is no Network at home, I will go to a Public Phone."
Mother to her son: "Tell your dad, if he dare go to a Public Phone, she will open a Call Center at home