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Cisco Bug: CSCuj95137 - EX60/90 sends NOTIFY instead of reINV to resume a call on a shared line

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Telepresence Integrator C Series

Known Affected Releases

6.2.x

Description (partial)

Symptom:
EX60/90 sends NOTIFY message with dialog id=0 to remotely resume a call on a shared line instead of reINV. This is inconsistent with other endpoints and causes CUCM to treat it as a new call. In consequence SIP phones sharing the same line show an additional, phantom call.

Conditions:
Call placed to a shared line is answered by 99xx IP phone and put on hold. Next EX60/90 remotely resumes the call which makes 99xx show an additional phantom call.
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