Why I should have to be fluent in english?

Greetings,
I am a freelance Software engineer, and I worked with people from all around world. always I always have to communicate with them and definitely in English language, but I think I am little weak in  my English is a litte weak.  I am scared to talking over the phone or on Skype and that is why I am losing a lot of opportunities. I must have to be fluent in English to keep maintain better relations with my clients and co-workers.

I wish to get help from italic.com to become fluent in English...

Why I should have to be fluent in english?

Greetings,
I am a freelance Software engineer, and I worked with people from all around world.  always have to communicate with them in English but I think my English is a litte weak. I am scared to talk over the phone or on Skype and that is why I am losing a lot of opportunities. I must be fluent in English to maintain better relations with my clients and co-workers.

I wish to get help from italki to become fluent in English...

Why I should have to be fluent in english?

Greetings,
I am freelance Software engineer and I worked with people all around the world, always I have to communication with them and definitely in English language but I think I am little weak in english and I scared to talking over phone on Skype and that why I am losing lots of opportunity, So I must have to be fluent in english to keep better relation with my clients and co-workers.

I wish I get help from italic.com to be fluent in english...