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Product Safety and Security
use of Voice-over-IP (VoIP) technology are required to provide echo cancellation for all voice calls. The
combined effect of audio/VoIP conversion delay and IP routing delay can cause the echo cancellation time
of 64 mS to be required.
Cisco Product Security Overview
This product contains cryptographic features and is subject to U.S. and local country laws that govern import,
export, transfer, and use. Delivery of Cisco cryptographic products does not imply third-party authority to
import, export, distribute, or use encryption. Importers, exporters, distributors, and users are responsible for
compliance with U.S. and local country laws. By using this product, you agree to comply with applicable
laws and regulations. If you are unable to comply with U.S. and local laws, return this product immediately.
Further information regarding U.S. export regulations can be found at
regulations/export-administration-regulations-ear.
Important Online Information
End User License Agreement
The End User License Agreement (EULA) is located here:
Regulatory Compliance and Safety Information
Regulatory Compliance and Safety Information (RCSI) is located here:
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/cuipph/800-series/RCSI/rcsi-0166-book.pdf
Cisco Product Security Overview
https://www.bis.doc.gov/index.php/
https://www.cisco.com/go/eula
Cisco Wireless Phone 840 and 860 User Guide
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