Cisco 7941G Administration Guide

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A security tone plays if the call connects to another protected phone; the tone indicates that both ends of
the conversation are encrypted and protected. If the call is connected to a nonprotected phone, the secure
tone does not play.
Protected calling is supported for conversations between two phones. Some features, such as conference,
shared lines, Cisco Extension Mobility, and Join Across Lines are not available when protected calling is
configured.
Note
Call Security Interactions and Restrictions
Cisco Unified Communications Manager checks the phone security status when conferences are established
and changes the security indication for the conference or blocks the completion of the call to maintain integrity
and security in the system. The following table provides information about changes to call security levels
when using Barge.
Table 4: Call Security Interactions When Using Barge
Results of ActionCall Security Level
Initiator’s Phone Security
Level
Call barged and identified as non-secure callEncrypted callNon-secure
Call barged and identified as authenticated callAuthenticated callSecure (encrypted)
Call barged and identified as authenticated callEncrypted callSecure (authenticated)
Call barged and identified as nonsecure callAuthenticated callNonsecure
The following table provides information about changes to conference security levels depending on the
initiator’s phone security level, the security levels of participants, and the availability of secure conference
bridges.
Table 5: Security Restrictions with Conference Calls
Results of ActionSecurity Level of
Participants
Feature Used
Initiator’s Phone
Security Level
Nonsecure conference bridge
Nonsecure conference
Encrypted or authenticatedConferenceNonsecure
Secure conference bridge
Nonsecure conference
At least one member is
non-secure.
ConferenceSecure
(encrypted or
authenticated)
Secure conference bridge
Secure encrypted level conference
All participants are
encrypted.
ConferenceSecure
(encrypted)
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
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Cisco Unified IP Phone
Authenticated, Encrypted, and Protected Phone Calls

Cisco 7941G Specifications

General

Keypad number of keys	12
Touchscreen	-
Display resolution	320 x 222 pixels
Speakerphone	Yes
Voice codecs	G.729a
Bluetooth	No
Supported network protocols	DHCP, TFTP, SCCP, DSCP
Ethernet LAN (RJ-45) ports	2
Input voltage	48 V
Dimensions (WxDxH)	266.7 x 152.4 x 203.2 mm
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Safety	(UL) 60950, (CSA) C22.2 No. 60950, IEC 60950, EN 60950, AS/NZS 60950
Certification	CE (FCC) 15 (CFR 47) B ICES-003 B EN55022 B CISPR22 B AS/NZ 3548 B VCCI B EN55024 EN 50082-1 EN 61000-3-2 EN 61000-3-3
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3af
Lines quantity	- lines
Phonebook capacity	- entries
Number of handles included	1 pc(s)

Weight and Dimensions

Weight	1600 g