Cisco 7941G Administration Guide

Table 28: CTL File Settings
To ChangeDescriptionOption
For information about
changing these options, see
Network Configuration
Menu, on page 64.
Common Name from the Cisco Unified
Communications Manager Certificate of a
Cisco Unified Communications Manager and
TFTP server used by the phone. Also displays
a certificate icon if a certificate is installed
for this server.
If neither the primary TFTP (TFTP Server 1)
server nor the backup TFTP server (TFTP
Server 2) is listed in the CTL file, you must
unlock the CTL file before you can save
changes that you make to the TFTP Server 1
option or to the TFTP Server 2 option on the
Network Configuration menu.
Unified CM/TFTP Server
For more information about
phone-trust certificates, see
the following manuals:
•
Cisco Unified
Communications
Operating System
Administration Guide,
“Security” chapter.
•
Cisco Unified
Communications
Manager Security
Guide, “Security
Overview” chapter.
Common Name from the Cisco Unified
Communications Manager Certificate of the
trusted application server used by the phone.
Also displays a certificate icon.
A phone-trust certificate is used to authenticate
application servers with which the phone
communicates.
One Application Server menu item appears for
each phone-trust store whose certificates have
been uploaded into Cisco Unified OS
Administration and later downloaded into the
phone’s CTL file.
Application Server
Unlock CTL and ITL Files
To unlock the CTL and ITL files from the Security Configuration menu, perform these steps:
Procedure
Step 1
Press **# to unlock options on the overall setting menu of the Cisco Unified IP Phone.
Step 2
Select Trust List > CTL or ITL file depending on which file is installed in your phone.
If both CTL and ITL files are installed in your phone, you can choose either option.Note
Step 3
Press Unlock to unlock Trust List files on the phone. The CTL or ITL files, if installed on your phone, will
be unlocked together.
When you press Unlock, the softkey changes to Lock. If you decide not to change the TFTP server
option, press Lock to lock the CTL file.
Note
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)
110
Cisco Unified IP Phone Settings
CTL File Submenu

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