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Cisco Bug: CSCuq86863 - 8831 in linked mode has lower in-call volume on secondary/slave unit

Last Modified

Nov 27, 2020

Products (39)

  • Cisco SIP IP Phone Software
  • Cisco Unified IP Phone 7962G
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified SIP Phone 3905
  • Cisco Unified IP Phone 7945G
  • Cisco IP Phone 8851
  • Cisco Unified IP Phone 9951
  • Cisco IP Phone 7841
  • Cisco Unified IP Phone 7961G-GE
  • Cisco Unified IP Phone 7911G
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Known Affected Releases

10.3(1) 9.1(2)SR1

Description (partial)

Difference in volume when two 8831 units are connected after a phone is already registered (Ethernet cables still present).

Customer does not follow "Linked Mode Setup Best Practice" when connecting two 8831 phones:

The phone is already registered with ethernet cables when a slave unit is added --- volume does not sync properly.
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