时间：2019-03-17 标签：c#createsipserver
有没有办法创建一个具有多个电话号码和只有一部公用电话的 sip 网络？我需要有一个 sip 服务器吗？有人可以给我一些想法吗？如果我需要一台 sip 服务器，我该如何创建一个？我对这个东西很陌生。
谢谢。
Is there a way to create a sip network with multiple telephone numbers and just one public telephone? Do I need to have a sip server for this? Can someone give me some ideas? If I need a sip sever how can I create one? I am new to this stuff.
Thanks.
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如果您是新手，创建 SIP 服务器将会相当困难。
熟悉 SIP 的更好方法可能是给自己买一台旧计算机并安装诸如 asterisk 或 < a href="http://www.trixbox.com/products/trixbox-ce" rel="nofollow noreferrer">Trixbox 社区版，然后开发 sip 软电话。
然后，asterisk/trixbox 服务器将处理您所有的电话分机和传入中继线（我推荐 sipgate对于呼入中继线，15 个同时呼入呼叫免费）。
有很多开源 sip 软电话，以及一些您可以使用的免费 .NET sip 库，其中一些已在 此处。这至少有助于更加熟悉 SIP 协议。
我知道这可能不是您正在寻找的答案，但我确实希望它有所帮助。
Creating a SIP server will be rather difficult if you're new to it.
A better way to familiarize yourself with SIP may be to get yourself an old computer and install something like asterisk, or Trixbox community-edition, then work on developing a sip softphone.
The asterisk/trixbox server will then take care of all of your telephone extensions and incoming trunks (I recommend sipgate for incoming trunks, free with 15 simultaneous incoming calls).
There are a lot of open-source sip softphones knocking about, as well as some free .NET sip libraries that you can work with, some of which are discussed here. This will at least help in becoming more familiar with the SIP protocol.
I know this is probably not the answer you were looking for, but I do hope it helps.
如果您的意思是可以让多个 SIP 设备（软件电话、ATA IP 电话等）全部共享一个 PSTN 号码，那么答案是肯定的。几乎所有 SIP/VoIP 提供商都允许您将呼叫从附加的 DID（电话号码）转发到多个 SIP 设备，这样您的请求就可以通过您友好的邻居 VoIP 提供商的基本帐户来满足。
由于您包含了 C# 标签，您可能有兴趣查看 sipsorcery.com 这是我运行的一个项目，它基于围绕开源 C# SIP 堆栈。
If you mean can you have mutliple SIP devices (softphones, ATAs IP Phones etc) all sharing a single PSTN number then the answer is yes. Almost all SIP/VoIP Providers allow you to forward calls from an attached DID (telephone number) to more than one SIP device so your request could be satisfied by a basic account on your friendly neighbourhood VoIP Provider.
Since you included the C# tag you maybe interested in looking at sipsorcery.com which is a project I run and which is based around an open source C# SIP stack.