Cisco 7941G Troubleshooting And Maintenance

Cisco Unified IP Phone Reset or Restore
There are two general methods for resetting or restoring the Cisco Unified IP Phone.
Basic Reset
Performing a basic reset of a Cisco Unified IP Phone provides a way to recover if the phone experiences an
error and provides a way to reset or restore various configuration and security settings.
The following table describes the ways to perform a basic reset. You can reset a phone with any of these
operations after the phone has started up. Choose the operation that is appropriate for your situation.
Table 3: Basic Reset Methods
ExplanationPerformingOperation
Resets any user and network
configuration changes that you have
made, but that the phone has not
written to its Flash memory, to
previously saved settings, then
restarts the phone.
Press the Services, Settings, or
Directories button and then press
**#**.
Restart phone
Resets user and network
configuration settings to their
default values, deletes the CTL file
from the phone, and restarts the
phone.
From the Settings menu, unlock
phone options (see Unlock and
Lock Options). Then press the
Erase softkey.
Erase softkey
Resets network configuration
settings to their default values and
resets the phone. This method
causes DHCP to reconfigure the IP
address of the phone.
From the Network Configuration
menu, unlock phone options (see
Unlock and Lock Options). Then
press the Erase softkey.
Deletes the CTL file from the
phone and restarts the phone.
From the Security Configuration
menu, unlock phone options (see
Unlock and Lock Options). Then
press the Erase softkey.
Perform Factory Reset
When you perform a factory reset of the Cisco Unified IP Phone, the following information is erased or reset
to its default value:
• CTL file: Erased
• LSC: Erased
• User configuration settings: Reset to default values
• Network configuration settings: Reset to default values
• Call histories: Erased
• Locale information: Reset to default values
Troubleshooting and Maintenance
21
Troubleshooting and Maintenance
Cisco Unified IP Phone Reset or Restore

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