Cisco Systems cisco ip phone 7821. 7841 ユーザーズマニュアル

Cisco IP Phone 7821, 7841, and 7861 User Guide for Cisco Unified
Communications Manager 10.0 (SIP)

First Published: October 25, 2013

Last Modified: April 16, 2014

Americas Headquarters

Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883