Field Notice: FN - 70229 - Cisco Unified IP Conference Phone 8831 - One-Way Audio With Firmware Release 10.3(1)SR4 - Software Upgrade Recommended

Available Languages

Updated:June 28, 2018
Document ID:FN70229

Bias-Free Language

The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.

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.

Revision History

Revision Publish Date Comments
1.0
28-Jun-18
Initial Release

Products Affected

Affected OS Type Affected Release Affected Release Number Comments
NON-IOS
SIP v.10
10.3(1)SR4

Defect Information

Defect ID Headline
CSCvh12266 One-way audio during full duplex streaming from 8831

Problem Description

The Cisco Unified IP Conference Phone CP-8831 might experience one-way audio if the phone runs Firmware Release 10.3(1)SR4.

Background

After Firmware Release 10.3(1)SR4 is downloaded and used on the CP-8831 conference phone, some customers have experienced one-way audio when both parties speak simultaneously.

Problem Symptom

After the CP-8831 conference phone has been upgraded to Firmware Release 10.3(1)SR4, some customers have experienced one-way audio when both parties speak simultaneously.

Workaround/Solution

As a workaround, Cisco recommends that existing customers who have experienced the one-way audio issue downgrade to Firmware Release 10.3(1)SR3 or 10.3(1)ES8 temporarily for improved acoustic performance.

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

Receive Email Notification For New Field Notices

Cisco Notification Service—Set up a profile to receive email updates about reliability, safety, network security, and end-of-sale issues for the Cisco products you specify.

Was this Document Helpful?

FeedbackFeedback

Contact Cisco

This Document Applies to These Products