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Cisco Bug: CSCtb81576 - Cause code 400 instead of 403 when no DSP's available

Last Modified

Jan 28, 2017

Products (1)

  • Cisco AS5400 Series Universal Gateways

Known Affected Releases

12.4(21a)

Description (partial)

Symptom:
MGCP cause code 400 is being sent from the gateway when a call cannot be completed due to lack of DSP resources. 

The cause code 400 -Unspecified transient error, is not the correct cause code expected in this case, a cause code of 403 is more appropriate.


Conditions:
Wrong cause code sent from voice gateway when no DSP resources are available.
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