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Cisco Bug: CSCsy99265 - T.37 onramp application initiates ISDN CONNECT before receiving INFO msg

Last Modified

Jan 28, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(22)T

Description (partial)

Symptom:

Inbound fax calls via E1 PRI configured for Overlap Receiving fail with the following error:

**ERROR**: Module-CCPRI  Function-CCPCC_CallRoutingIn  Error-Unknown event received in message from L3 or Host:  93

Conditions:

When a overlap receive call is receiving on a E1 PRI with the onramp script applied on the inbound POTS dial-peer, the fax call disconnects around 1 minute. This issue was fixed via CSCsy29797, but now the application initiates the connect before receiving the info message.
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