Field Notice: FN74016 - Call Processing Performance Degradation Observed with Cisco BroadWorks Server Release 2023.04_1.294 - Software Upgrade Recommended

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Updated:June 13, 2023

Document ID:FN74016

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Notice

THIS FIELD NOTICE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTY OF MERCHANTABILITY. YOUR USE OF THE INFORMATION ON THE FIELD NOTICE OR MATERIALS LINKED FROM THE FIELD NOTICE IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS FIELD NOTICE AT ANY TIME.

Products Affected

Affected Software Product	Affected Release	Affected Release Number	Comments
Base Software	RI	RI.2023.04	Cisco BroadWorks Release Independent

Defect Information

Defect ID	Headline
CSCwf27059	Call processing performance degration with 2023.04 build

Problem Description

A call processing performance degradation has been observed with Version 2023.04_1.294 of Cisco BroadWorks servers Application Server (AS), Network Server (NS), Service Control Function Server (SCF), and Execution Server (XS).

Background

SIP startup parameter values are adjusted based on the available system resources such as CPU—for example, bw.sip.numEncoderThreads. However, the actual value of the parameter is ignored and the default factory value is used instead. This can result in undersized thread pools that can cause call processing performance issues.

Problem Symptom

SIP call processing exhibits longer delays when processing calls.

Workaround/Solution

To resolve this issue, customers should download and install the appropriate Cisco BroadWorks update from the following list:

Revision History

Version	Description	Section	Date
1.0	Initial Release	—	2023-JUN-13

For More Information

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