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Cisco Bug: CSCur99303 - Calls are being disconnected after receive A3-B7.

Last Modified

Jan 24, 2017

Products (1)

  • Cisco 2900 Series Integrated Services Routers

Known Affected Releases

15.2(4)M6.1

Description (partial)

Symptom:
1)	If router receives A3-B6 from PABX, It disconnects the call but should pass.
2)	If router receives A3-B3 from PABX, It generates improper disconnect code  instead of using code 1.
3)	If router receives A3-B4 from PABX, It disconnects with cause code 21 when it should be 42.
4)	If router receives A4 from PABX, It disconnects with cause code 21 when it should be 42.
5)    If router receives A3-B7 from PABX, It disconnects with cause code 21, it should disconnect with 21 only for collect call and for unallocated number should use cause code 1

Conditions:
This defect is triggered when router receives A3-B7 signaling, after that all calls are disconnected with cause code 21.
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