Cisco Bug: CSCvs76101 - 3905 phone does not send SIP REGISTER when using telnet to capture the console log
Jan 23, 2020
- Cisco IP Phone 8800 Series
Known Affected Releases
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
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