i've been having a little issue making phone calls. it's only happened a few times, but i'll hit send and the call won't go through, the timer will read 00:00 but it won't let me end the call. the phone icon will just stay there until i reboot the phone. anyone else having trouble making calls?

PEv4.1
slayher LFY 1.1GHz kernel
data hack
gingerbread icons theme