Not up to date with this week, but last I heard they were about to launch it. Anyway mobile phones and sat. phones aren't very reliable. Mobiles require on land masts to operate. They are far too easy to bomb down if the enemy depends on them. Also mobiles use 900, 1800 and 1900 MHz frequencies. When you know that, it's far too easy to jam the communications. I'm not too familiar with sat phones, but I assume their frequencies are pretty limited aswell. Also, it's easier to tap in. Probably even more effective than jamming.
Although in Russian - Georgian conflict for majority of the time the communication wasn't jammed and the mobile masts weren't bombed. Anyway the radio warfare is very interesting topic, but I can't go deep into it in public.