Verb conjugation of "redescendre" in French

The current situation in Libya is really difficult. I tried to get in contact with acquaintances, but all the phones were not working. I'm really concerned about their well-being. I'll try again later.
The system will collect information about the learning behavior and guide the user through a tailor-made process that is best suited for him. This technique is not entirely new but we are redesigning the whole concept of it.
So this is my last week here in Germany, then it's back to Italy. I'm not sure if I will return soon. But I am longing for friends and family. I will certainly return one day, that is sure.