Cisco Bug: CSCus89639 - Pbx unable to recognize the signal CLR backward signal
Last Modified
Dec 14, 2018
Products (96)
- Cisco 2900 Series Integrated Services Routers
- Cisco C897VA Integrated Services Router
- Cisco VG204XM Analog Voice Gateway
- Cisco 888W Integrated Services Router
- Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
- Cisco 1905 Serial Integrated Services Router
- Cisco C892FSP Integrated Services Router
- Cisco 2951 Integrated Services Router
- Cisco 861W Integrated Services Router
- Cisco 892W Integrated Services Router

Known Affected Releases
15.4(3)M1
Description (partial)
Symptom: Pbx unable to recognize the signal CLR backward signal Clear Backward signal is equal to to seize-ack, since there is no change on binary pbx is unable to detect the clear back. Conditions: 15.4(3)M1
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