If a man proposes to a woman, is it permissible for him to speak with her over the telephone?

Question:
If a man proposes to a woman, is it permissible for him to speak with her over the telephone?

Answer:
Yes, in the sense of understanding each other. It is not permissible if it is by way of flirtation or joking where the man hopes for the woman or the woman hopes for the man. No, by way of understanding each other, there is no harm.