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Cisco Bug: CSCuw42185 - 78xx phone displaying IPPhoneText hangs on an incoming call

Last Modified

Apr 20, 2016

Products (40)

  • Cisco IP Phone 7800 Series
  • Cisco IP Phone 8851
  • Cisco Unified SIP Phone 3905
  • Cisco Unified IP Phone 7962G
  • Cisco IP Phone 7841
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 7961G-GE
  • Cisco IP Phone 7821
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Known Affected Releases


Description (partial)

The line number blinks to alert user of incoming call. Pressing the blinking line number to answer the call, does not work on the 78xx. It locks-up the phone (must be power-cycled).

Application has a background music Phone Service that sends the following command to 78xx phones: <CiscoIPPhoneText appId="SA-Announce" onAppFocusLost="RTPRx:Stop;"onAppFocusGained="RTPMRx:;" ><Title>Background Music</Title><Prompt>test78xx</Prompt><Text>Press the Exit soft-key to end the music session.</Text><SoftKeyItem><Name>Exit</Name><URL>Init:Services</URL><Position>1</Position><URLDown>RTPRx:Stop</URLDown></SoftKeyItem></CiscoIPPhoneText>  The problem occurs when a call comes into the phone. Pressing the blinking line number to answer the call, does locks-up the phone.
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