Invention Grant
US6001052A Method for handling call hold service for use in a CDMA switching system 失效
用于处理在CDMA交换系统中使用的呼叫保持业务的方法

  • Patent Title: Method for handling call hold service for use in a CDMA switching system
  • Patent Title (中): 用于处理在CDMA交换系统中使用的呼叫保持业务的方法
  • Application No.: US975714
    Application Date: 1997-11-21
  • Publication No.: US6001052A
    Publication Date: 1999-12-14
  • Inventor: Hyun-Sook Jung
  • Applicant: Hyun-Sook Jung
  • Applicant Address: KRX Incheon
  • Assignee: Daewoo Telecom, Ltd.
  • Current Assignee: Daewoo Telecom, Ltd.
  • Current Assignee Address: KRX Incheon
  • Priority: KRX96-82538 19961231
  • Main IPC: H04W4/00
  • IPC: H04W4/00 H04Q7/08
Method for handling call hold service for use in a CDMA switching system
Abstract:
A call hold handling method for use in an electronic switching system employed in a CDMA communications system comprises the steps of: a) receiving hook flash and numeric digits of the third party from the first party; b) sending hold tone to the second party; c) performing a number translation of the numeric digits; d) checking subscription type of the third party; e) occupying a trunk line and going to step h) if the checking at step d) results in a conventional telephone subscriber; f) requesting and receiving a call processing information from the call hold handler if the checking at step d) results in a wireless subscriber; g) paging the third party if the checking at step d) results in a wireless subscriber; h) connecting the first party and the third party; and i) sending ring-back tone to the third party.
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