Cisco 7940G Administration Guide

2-10
Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SIP)
OL-15499-01
Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Using Cisco Unified IP Phones with Different Protocols
Converting a New Phone from SCCP to SIP
A new, unused phone is set for SCCP by default. To convert this phone to SIP, perform these steps:
Procedure
Step 1 Create the phone as an SCCP device in Cisco Unified Communications Manager Administration.
Step 2 Install the phone and allow it to register with Cisco Unified Communications Manager.
Step 3 Delete the phone device from Cisco Unified Communications Manager.
Step 4 Create the phone as a SIP device in Cisco Unified Communications Manager Administration.
Step 5 Power cycle the phone.
The phone will reset and come up configured for SIP.
Converting an In-Use Phone from SCCP to SIP
You can use the Bulk Administration Tool (BAT) to convert phones that are is in use in your network
from SCCP to SIP. To access BAT from Cisco
Unified Communications Manager Administration,
choose Bulk Administration > Phones > Migrate Phones > SCCP to SIP. For detailed information,
refer to Cisco
Unified Communications Manager Bulk Administration Guide.
Converting an In-Use Phone from SIP to SCCP
To convert a phone that is in use in your network from SIP to SCCP, perform these steps. For more
information, refer to Cisco Unified
Communications Manager Administration Guide.
Procedure
Step 1 In Cisco Unified Communications Manager Administration, delete the existing SIP phone from the
Cisco Unified Communications Manager database.
Step 2 In Cisco Unified Communications Manager Administration, create the phone as an SCCP phone.
Step 3 Power cycle the phone.
Tip Before deleting a SIP phone (that you want to convert to a SCCP phone) from the Cisco Unified
Communications Manager database, copy all of the phone configuration information, so when you add
the phone back to the database, you will have the configuration information readily available.

Cisco 7940G Specifications

General

Keypad number of keys	12
Touchscreen	-
Speakerphone	Yes
Voice codecs	G.711, G.729a
Bluetooth	No
Supported network protocols	DHCP, SCCP, SIP, MGCP
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
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 FCC 68 (CFR47) HAC IC CS-03
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1Q
Lines quantity	- lines
Phonebook capacity	- entries
Number of handles included	1 pc(s)

Weight and Dimensions

Weight	1600 g