办理400电话需要的资料：
Information for 400 phone calls:
1. 营业执照原件拍照或者复印件盖公章
1. Take photos of the original business license or seal the copy
2. 法人或者负责人身份证 正反面拍照或者复印件。
2. Photos or copies of the front and back sides of the ID card of the legal person or person in charge.
400电话就是是专为企事业单位设计的全国范围内号码统一的虚拟电话总机，所有拨往400总机号码的来电均被转接至预先设定的固定电话、手机或呼叫中心专线上。400电话总机只负责处理呼入的电话，不能外拨。话费由企业和拨打400电话的用户分摊，拨打方仅支付当地市话费。400热线体现了企业服务意识，是信誉和实力的象征。
400 telephone is a virtual telephone switchboard specially designed for enterprises and institutions with unified numbers throughout the country. All calls to 400 switchboard number are transferred to preset fixed telephone, mobile phone or call center line. The 400 switchboard is only responsible for handling incoming calls, not outgoing calls. The call fee is shared by the enterprise and the user who dials 400 calls, and the caller only pays the local city call fee. The 400 hotline embodies the service consciousness of the enterprise and is a symbol of reputation and strength.