Cisco Systems 7940G Manual De Usuario

For the Cisco Unified IP Phone to successfully operate as a Cisco Unified IP Phone endpoint in your 
network, your network must meet the following requirements:

Working Voice over IP (VoIP) Network:

VoIP configured on your Cisco routers and gateways

Cisco Unified Communications Manager installed in your network and configured to handle 
call processing

IP network that supports DHCP or manual assignment of IP address, gateway, and subnet mask

The Cisco Unified IP Phone displays the date and time from Cisco Unified Communications Manager. 
If the Cisco Unified Communications Manager server is located in a different time zone than the phones, 
the phones will not display the correct local time.

The Cisco Unified IP Phone requires Cisco Unified Communications Manager to handle call 
processing. Refer to Cisco Unified Communications Manager Administration Guide or context-sensitive 
help in the Cisco Unified Communications Manager application to ensure that 
Cisco Unified Communications Manager is set up properly to manage the phone and to properly route 
and process calls.

If you plan to use auto-registration, verify that it is enabled and properly configured in 
Cisco Unified Communications Manager before connecting any Cisco Unified IP Phone to the network. 
See the 

for details.

You must use Cisco Unified Communications Manager to configure and assign telephony features to the 
Cisco Unified IP Phones. See the 

 for details.

In Cisco Unified Communications Manager, you can add users to the database and associate them with 
specific phones. In this way, users gain access to web pages that allow them to configure phone items 
such as call forwarding, speed dialing, and voice messaging system options. See the 

 for details.

The Cisco Unified IP Phone 7960G and 7940G includes these components on the phone or as accessories 
for the phone: