Method for self-selecting prompt tone for calling party to play when subscriber's mobile telephone is off
Method for self-selecting prompt tone for calling party to play when subscriber's mobile telephone is off
- CN 101,692,723 B
- Filed: 09/27/2009
- Issued: 05/09/2012
- Est. Priority Date: 09/27/2009
- Status: Active Grant
- EN CH
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- Pin
