Eavesdropping through mobile phone

Yi-Bing Lin*, Meng Hsun Tsai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Mobile telecommunication services have become very popular recently, and many people bring mobile phones with them wherever they go. However, we observe that mobile phones can be modified to become remote microphones for eavesdropping. The eavesdropping technique only requires modifications to the mobile phone to be spied on and does not require any network changes. This paper describes mobile-phone eavesdropping and analyzes how serious it can be. Based on our study, we provide suggestions to avoid being eavesdropped upon.

Original languageEnglish
Pages (from-to)3596-3600
Number of pages5
JournalIEEE Transactions on Vehicular Technology
Issue number6 I
StatePublished - 19 Nov 2007


  • Eavesdropping
  • Internet telephony
  • Privacy
  • Session Initiation Protocol
  • Session initiation protocol (SIP)
  • Signaling system number 7 (SS7)
  • Signaling systems
  • Voice over IP (VoIP)

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