任何方式“ping” 电话号码？
我们有一位客户想要浏览他们的 CRM 数据库并以某种方式确定有效的电话号码，而实际上不需要有人坐在那里尝试给所有电话号码打电话。
有什么方法可以对电话号码（包括固定电话）执行类似于“ping”的操作吗？
We have a customer who wants to go through their CRM database and somehow determine phone numbers which are valid, without actually having someone sit there and try calling them all.
Is there any way to do something akin to a "ping" on a phone number (including landlines)?
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您需要通过第三方。 我已经使用 Melissa 数据进行地址验证，取得了很好的成功，他们还提供电话验证，但我没有使用它
http://www.melissadata.com/listservices/resphoneverify.htm
如果获得 100% 正确的电话号码至关重要，我会研究一项能够实际拨打该号码并提供验证码的服务并让用户在网站上确认该代码。 从用户的角度来看，这是一个 PIA，但这是您可以采取的最完整的路线。 快速搜索了一下这个网站， http://www.phoneconfirm.com 似乎可以我提到的。 但我确信还有其他人。
如果你不能/不想通过第三方，我无法想象你自己写这样的东西是不可能的。 扩大规模将是最大的问题。
You will need to go through a third party. I have used Melissa data for address verification with good success, they also offer phone verification, but I have not used it
http://www.melissadata.com/listservices/resphoneverify.htm
If getting a 100% correct phone number is crucial, I'd look into a service which would actually call the number, give a verification code and make the user confirm that code with the site. It is a PIA from the users perspective, but that is the most complete route you can take. Doing a quick little googling came up with this site, http://www.phoneconfirm.com which seems to do what I mentioned. I am sure there are others though.
If you can't/don't want to go through a third party, I can't imagine writing something like this yourself would be impossible. Scaling it would be the biggest issue.
总是可以使用好的 ole war dialer
could always go with the good ole war dialer
我相信使用基于 ISDN 呼叫的服务的 CTI 系统可以在目的地开始响铃之前快速返回一个状态代码，表明该号码有效/无效。
Katalina Systems 是其中一个供应商，他们的产品称为 VoiceGuide，他们有一个拨出模块，可以为您提供所需的内容。 请参阅 www.voiceguide.com。
只需将通话列表导出到拨号器（csv 文件）并在处理后查看通话状态即可。
如果列表非常大，则可能需要购买一个系统来执行此操作。 呼叫速率取决于已安装/可用的线路数量。 您可能需要一些自定义修改才能在获取状态后中止调用。 卡塔琳娜应该能帮忙。 我不确定 VoIP 中继是否可以让您完全访问线路状态。
I believe a CTI system using ISDN calling based service can quickly return a status code that the number is either valid/invalid before the destination begins to ring.
One vendor is Katalina systems, their product is called VoiceGuide and they have a dialling out module that may give you what you want. see www.voiceguide.com.
Just export the calling list to the dialler (csv file) and review the call status after processing.
If the list is very large, it may justify purchasing a system to do this. The rate of calling depends upon the number of lines installed/availble. You might require some custom modifications to abort the call after obtaining the status. Katalina should be able to help. I am not sure if VoIP trunks can give you full access to the line status.
我曾经做过类似的事情。 是的，对于电话推销员来说。 是的，直到今天它仍然困扰着我的良心。
它基于一个名为 app_amd.c（应答机检测）的模块，该模块是 Asterisk 的第三方附加组件，据我所知，现在可以在其主树中找到。 使用 E1/T1，您还可以区分坏号码、占线和许多其他状态代码。 查一下，可能会有帮助。
I once did something like that. Yeah, for telemarketers. And yeah, it haunts my conscience to this day.
It was based on a module called app_amd.c (Answering Machine Detection) which was a third party add-on for Asterisk and, AFAIK, can be found in their main tree now. With an E1/T1, you can also distinguish between bad numbers, busy, and many other status codes. Look that up, it may help.