[Tagathron]

Basically,if player has a phone,he would enter a number in the command (/call [NUMBER]) then the player who has that number would recieve a message he is beeing called,and that he needs to pick up to answer (/answer for example).Then whatever the player who called says it would be transfered to the person who answered.

Basically that's just the idea.
And about the random numbers,just make a random number . For example

Код:

new PhoneNum[MAX_PLAYERS]
new randomNumber = random(RANGE OF NUMBERS);
//When a player gets his phone,set the number value to something:
PhoneNum[playerid]=randomNumber;
//Also loop through players,and check if someone already has that number,to avoid bugs,just in case...