What do I dial for an outside line?/打外线需要先拨什么？

A: Operator speaking. Can I help you?

Notes 注释

1. There are different ways of making phone calls in different places. You can ask, for example, how to get an outside line or to make an international call: What do I dial for an outside line? / What do I dial for an outside line? ; And if I want to make an international call? / And if I want to make an international call?
在不同的地方打电话有不同的方法。比如，你可以问，怎样拨打外线和打国际电话：What do I dial for an outside line? /打外线需要先拨什么？；And if I want to make an international call? /如果我想打国际电话呢？

2. You may have to dial a special number for a local number: If you want a local number, please dial 9. / If you want a local number, please dial 9.  For some calls, the operator may have to connect you: Then I can connect you. / Then I can connect you.
在打市话时你可能要先拨一个特别的数字：If you want a local number, please dial 9. /如果你想打市话，请先拨9。对于打有些电话，可能要接线员帮你接通：Then I can connect you. /那我替你接线。

3. You can ask the operator to call a particular country for you: Can I have a number in Canada, please? / Can I have a number in Canada, please?
你可以请接线员帮你拨叫某个国家：Can I have a number in Canada, please? /我能打往加拿大吗？

A: 我是接线员。您需要帮忙吗？

B: Yes, thank you. What do I dial for an outside line?

B: 是的，谢谢。打外线需要先拨什么？

A: If you want a local number, please dial 9.

A: 如果你想打市话，请先拨9。

B: Fine. Thank you. And if I want to make an international call?

B: 好的。谢谢。如果我想打国际电话呢？

A: Then I can connect you.

A: 那我替你接线。

B: Thanks. Can I call Canada, please?

B: 谢谢。我能打往加拿大吗？