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Cisco Bug: CSCvs76101 - 3905 phone does not send SIP REGISTER when using telnet to capture the console log

Last Modified

Jan 23, 2020

Products (1)

  • Cisco IP Phone 8800 Series

Known Affected Releases

9.4(1)ES13

Description (partial)

Symptom:
Sometimes system timer stop and the phone does not send sip-register when using telnet to capture the console log.
The issue is gone once close telnet session.

Conditions:
Customer telnet client sends keep-alive (NOP) to telnet server,
and the telnet server does not well handle the keep alive and make the system halt.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
  • Related Community Discussions
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