1、刘总，您好！我是联通400电话服务中心的，我叫张三。今天打电话主要是想和您谈一下企业通讯（400电话）方面的合作！

1, Liu Zong, hello! I'm from Unicom 400 telephone service center. My name is Zhang San. Today, I'm calling to talk to you about business communications (400 calls)!

2、刘总，您好！我是**公司的张三。今天打电话过来， 主要和您谈一下在节约企业开支情况下，怎么样提高工作效率和扩大企业宣传的事情。

2, Liu Zong, hello! I'm Zhang three from * * company. Today, I'm calling to talk to you about how to improve work efficiency and expand enterprise publicity in the context of saving business expenses.

3、刘总，您好！我是**公司的张三。我们主要从事400企业通讯解决方案，想了解一下贵公司是否了解400电话！

3, Liu Zong, hello! I'm Zhang three from * * company. We are mainly engaged in 400 enterprise communications solutions, and would like to know whether you understand 400 phones?!

4、刘总，您好！我是联通400电话客服中心的，我叫张三。今天打电话过来，想做一项市场调查。请教一下，您公司有使用400电话吗

4, Liu Zong, hello! I'm the 400 call center of Unicom. My name is Zhang San. Call today and want to do a market research. May I ask if your company has a 400 number?