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Cisco Bug: CSCum72787 - multiple incoming call on different line, offhook to answer is error

Last Modified

Jun 19, 2014

Products (33)

  • Cisco IP Phone 8800 Series
  • Cisco IP Phone 8851
  • Cisco IP Phone 7841
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 7962G
  • Cisco IP Phone 7821
  • Cisco Unified IP Phone 6941
  • Cisco Unified IP Phone 6961
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Known Affected Releases


Description (partial)

multiple incoming call on different line, offhook to answer, the sequence error

1.Register phone A, B and C 
2.Config actionableAlert with C2-ShowForAllIncomingCall on phone A
3. configure phone with two dns, DN1, DN2. Configurable filter is kept default on phona A
4. make a call from B to A's DN1. A doesn't answer
5. make a call from C to A's DN1. A doesn't answer
6. make a call from D to A's DN2. 
7. phone A offhook to answer the call

reuslt: the phone will answer the third call with D, not the first call with B.(it should be "first come, first answer")
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Bug Details Include

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