You are right, My first language is not the English. i'm sorry
Firstly, thanks so much for your reply. i just want to say that i'm working as a site engineer, That's mean i could receive many calls and i could make many calls in a few time, i was not asking about the conference calls. But your answer was sufficient for me. thanks
Secondly, i want to inform you that i still hesitate to buy Desire or Desire Z, So i need ur advice.
That why i put my inquiry in Desire's forum to know if somebody have an opinion about Z. I'm sorry again,
However, I will be grateful if you answer these questions related to Desire Z.
1- how many days the battery still charge.
2- Is the deferences in Processor between Desire and Desire Z will effect in battery life. "as you know the Desire has 1 Ghz and Desire Z has 800 Ghz.
3- Did the Desire Z made reboot or restart itself after making a call or anytime?
thanks so much, with my best regards.