For example, while setting up or tearing down a connection, SIP services can also implement call blocking or forwarding, as well as interface with gaming and back office systems.

举例来说，当建立或拆开连接时，SIP服务还可以实现调用的阻塞或转发，以及带有对策和事务部门系统的界面。

youdao

Furthermore, there is quite a bit of boilerplate code involved in setting up an asynchronous call.

此外，在建立异步调用时还包括不少样板代码。

youdao

Setting up a remote call (finding Home interface for example, setting up marshaller, etc.)

构建远程调用(例如查找Home接口，构建编组程序(marshaller)等。)

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There's no extra charge for using it and setting it up requires only a short phone call.

FORBES: Time And Money Together

What is more, setting up a TelePresence meeting is as easy as making a telephone call.

ECONOMIST: Reshaping Cisco

The Welsh Government used the meeting to call for a clear timetable on setting up the commission.

BBC: David Cameron says Welsh commission will look at powers