can`t recived or make call`s..........help

[abuala]

hi
i follow the data in this link

http://www.modmyi.com/forums/showthread.php?t=30427

i downgrde to 1.1.1 and update it to 1.1.2 and i jailbreak it and unlock to use any si and every thing is good bu when i need to make a calls i touch the phone icon in the iphone and while i dial the first number it get back to home screen and also when i recive calls its nathing

who can help me please

[skitomcat1]

Did you figure out yet how to fix this problem....Whenever i click on the Phone icon it won't load it just shoots back to the homescreen!!!! Please someone help!!! i usuallly dont freak with problems but its been a while now!!!!