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Cisco 7975G - Unified IP Phone VoIP にも：データシート (5 ページ), ユーザーマニュアル (21 ページ), インストールの準備 (17 ページ), カスタマイズ (11 ページ), インストレーション・マニュアル (19 ページ), クイックマニュアル (15 ページ), インストレーション・マニュアル (12 ページ), トラブルシューティングとメンテナンス (25 ページ), 管理者マニュアル (6 ページ)

Calling Features

Protected call

The phone is a secure (encrypted and trusted) device on the Cisco Unified Communications Manager

server and is configured as a Protected Device in Cisco Unified Communications Manager

Administration.

If Play Secure Indication Tone is enabled (True) in Cisco Unified Communications Manager

Administration, the protected phone plays a secure or nonsecure indication tone at the beginning of the

call:

Nonprotected call

The phone does not have a Protected Device status in Cisco Unified Communications Manager. No

secure or nonsecure indication tone is played.

Nonsecure call

The phone is not protected on the Cisco Unified Communications Manager server and the call status

is nonsecure.

If you want to...

Check the security level of a call or

conference

• When end-to-end secure media is established through the Secure Real-Time Transfer Protocol

(SRTP) and the call status is secure, the phone plays the secure indication tone (three long beeps

with brief pauses).

• When end-to-end nonsecure media is established through the Real-Time Protocol (RTP) and the

call status is nonsecure, the phone plays the nonsecure indication tone (six short beeps with brief

pauses).

If the Play Secure Indication Tone option is disabled (False), no tone plays.

Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G User Guide for Cisco Unified Communications

Then...

Look for a security icon in the top right corner of the call activity

area, next to the call duration timer:

•

Authenticated call or conference

•

Encrypted call or conference

•

Nonsecure call or conference

Secure Calls

Manager 9.0 (SCCP and SIP)