I have created this iphone modificasion
to gta sa (gta iv skin)
Install: Copy the 'misc.txd' file to (C: \ Program Files \ Rockstar Games \ GTA SanAndreas \ GTA_IV_HUD)
(DON'T Forget TO BACKUP)
Use: You need GTA IV Hud, press "P"
And then the phone will popup
commented over a year ago:
Your kidding me right? If you dont know what this is, go away lol, in GTA SA you never could call people. The mission/NPC called.