Chapter 6 Understanding the VoIP Wireless Network

Understanding WLAN Standards and Technologies

World Mode (802.11d)

If you are using the Cisco Unified IP Phone 9971 in the World Mode, you must enable World mode (802.11d). The Cisco Unified IP Phone 9971 uses 802.11d to determine which channels and transmit powers to use and inherits its client configuration from the associated access point.

Note Enabling World Mode (802.11d) may not be necessary if the frequency is 2.4GHz and the current access point is transmitting on a channel 1-11.

As all countries support these frequencies, you can attempt to scan these channels regardless of supporting World Mode (802.11d). For the countries which support 2.4GHz, refer to Cisco Unified IP Phone 9971 Wireless LAN Deployment Guide.

Enable World Mode (802.11d) for the corresponding country where the access point is located. World Mode is enabled automatically for the Cisco Unified Wireless LAN Controller.

World Mode must be enabled manually for Cisco Autonomous Access Points using the following commands:

Interface dot11radio X

world-mode dot11d country US both

Supported Countries

The following countries are supported by the Cisco Unified IP Phone 9971:

Argentina (AR)

India (IN)

Poland (PL)

Australia (AU)

Indonesia (ID)

Portugal (PT)

Austria (AT)

Ireland (IE)

Puerto Rico (PR)

Belgium (BE)

Israel (IL)

Romania (RO)

Brazil (BR)

Italy (IT)

Russian Federation (RU)

Bulgaria (BG)

Japan (JP)

Saudi Arabia (SA)

Canada (CA)

Korea (KR / KP)

Singapore (SG)

Chile (CL)

Latvia (LV)

Slovakia (SK)

Colombia (CO)

Liechtenstein (LI)

Slovenia (SI)

Costa Rica (CR)

Lithuania (LT)

South Africa (ZA)

Cyprus (CY)

Luxembourg (LU)

Spain (ES)

Czech Republic (CZ)

Malaysia (MY)

Sweden (SE)

Denmark (DK)

Malta (MT)

Switzerland (CH)

Estonia (EE)

Mexico (MX)

Taiwan (TW)

Finland (FI)

Monaco (MC)

Thailand (TH)

France (FR)

Netherlands (NL)

Turkey (TR)

Germany (DE)

New Zealand (NZ)

Ukraine (UA)

Gibraltar (GI)

Norway (NO)

United Arab Emirates (AE)

Greece (GR)

Oman (OM)

United Kingdom (GB)

Hong Kong (HK)

Panama (PA)

United States (US)

Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.5 (SIP)

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Cisco Systems 8961 manual World Mode 802.11d, Supported Countries