Cisco SPA112 Administration Guide - Page 19

Network Service (SPA122 Only), Optional Settings, Network Setup, Basic, Setup > Network Service - adapter

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Configuring the Network Basic Setup 3 Optional Settings Feature Host Name Domain Name Static DNS 1, 2, 3 Description The name of the ATA. The default value is the model number. Your ISP may specify a host name to use. The domain name, if specified by your ISP. Otherwise, leave the field blank. IP addresses for up to three DNS servers that DHCP clients should use directly for name resolution. The default entries are 0, in which case the ATA uses the DNS servers that are specified for the WAN connection. Network Service (SPA122 Only) Use the Network Setup > Basic Setup > Network Service page to configure the operating mode of the SPA122. To open this page: Click Network Setup in the menu bar, and then click Basic Setup > Network Service in the navigation tree. After making changes, click Submit to save your settings, or click Cancel to abandon any unsaved entries. You can configure the ATA to operate in one of the following modes: • NAT: Network Address Translation (NAT) is a function that allows multiple devices on a private network to share a public, routable IP address to establish connections over the Internet. To enable Voice over IP service to co-exist with NAT, some form of NAT traversal is required, either on the ATA or another network device. Use this option if your ATA connects to one network on the WAN port (10.0.0.0 for example) and to another network on the LAN port (192.168.0.0 for example). • Bridge: Bridged mode is used if the ATA is acting as a bridge device to another router. Choose this option if your ATA bridges a network (10.0.0.0 for example) to its LAN port (with connected devices also in the 10.0.0x range). Cisco SPA100 Series Phone Adapters Administration Guide 19

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Configuring the Network
Basic Setup
Cisco SPA100 Series Phone Adapters Administration Guide
19
3
Optional Settings
Network Service (SPA122 Only)
Use the
Network Setup > Basic Setup > Network Service
page to configure the
operating mode of the SPA122.
To open this page:
Click
Network Setup
in the menu bar, and then click
Basic
Setup > Network Service
in the navigation tree. After making changes, click
Submit
to save your settings, or click
Cancel
to abandon any unsaved entries.
You can configure the ATA to operate in one of the following modes:
•
NAT:
Network Address Translation (NAT) is a function that allows multiple
devices on a private network to share a public, routable IP address to
establish connections over the Internet. To enable Voice over IP service to
co-exist with NAT, some form of NAT traversal is required, either on the ATA
or another network device. Use this option if your ATA connects to one
network on the WAN port (10.0.0.0 for example) and to another network on
the LAN port (192.168.0.0 for example).
•
Bridge:
Bridged mode is used if the ATA is acting as a bridge device to
another router. Choose this option if your ATA bridges a network (10.0.0.0 for
example) to its LAN port (with connected devices also in the 10.0.0x range).
Feature
Description
Host Name
The name of the ATA. The default value is the model
number. Your ISP may specify a host name to use.
Domain Name
The domain name, if specified by your ISP. Otherwise,
leave the field blank.
Static DNS 1, 2, 3
IP addresses for up to three DNS servers that DHCP
clients should use directly for name resolution. The
default entries are 0, in which case the ATA uses the DNS
servers that are specified for the WAN connection.