Go Mobile is a feature that makes it easy to sign in to Yahoo! Messenger on your mobile phone or other device when you are away from your PC. Your friends will see you as "I'm on SMS" and will be able to send messages directly to your device. You can now leave your desk for lunch or for the day and keep in touch with your friends and family on your mobile phone.

To sign in from a PC:

On Windows Messenger 6.0, select "Sign in to phone number" from the Messenger menu. You will be signed out of Yahoo! Messenger on your PC and automatically signed in on your mobile device.

Note: Before using this feature for the first time, you must register your mobile device. Use the following steps:

1. Click the "Messenger" menu in Yahoo! Messenger and select "Sign in to Mobile Device."
2. Select a country and service provider from the pull-down menus and click the "Continue" button.
3. Choose the device type and create a name for your phone. Click the "Next" button.
4. Enter phone number and click the "Next" button.
5. A confirmation code will be sent to your device. Enter the code and click the "Next" button.
6. Your mobile device has been registered. You can now use the "Sign in to Mobile" feature in Yahoo! Messenger, as well as send and receive messages using your mobile device.
7. Click the "Messenger" menu in Yahoo! Messenger and select "Sign in to (device's number will appear here)." This will log you out of Yahoo! Messenger on your computer and immediately log you in to Yahoo! Messenger on your device. Click the "OK" button to sign in to your mobile device.

After you have successfully signed in, your friends will see you as I'm Mobile and will be able to send messages directly to your device.

To sign in on the phone:

Type in Yahoo! ID password on your mobile phone and send it to your corresponding wireless carrier number as shown below.

• All U.S. Supported Wireless Carriers - 92466
• Rogers - 92466000
• All India Supported Wireless Carriers - 8242
• TMTouch - 1777
• Maxis - 32235
• SMART - 2580
• GLOBE - 22580
• M1 - 8881
• DTAC - 192466
• TELKOMSEL - 4246
• EXCELCOM - 9246
• STARHUB - 0903

Note: You may incur charges for sending and receiving text messages on your mobile phone. Please see your carrier service agreement for more information.

If your sign-in is successful, you will receive two messages from Yahoo!. The first confirms that you are signed in to the service. The second lists your online friends. If your sign-in is not successful, you will receive one message stating "Invalid Yahoo! ID or password. Please try again."

To sign out:

Sign in on Windows Messenger 6.0 or type out on your mobile phone and send it to your corresponding wireless carrier number as shown below.

• All U.S. Supported Wireless Carriers - 92466
• Rogers - 92466000
• All India Supported Wireless Carriers - 8242
• TMTouch - 1777
• Maxis - 32235
• SMART - 2580
• GLOBE - 22580
• M1 - 8881
• DTAC - 192466
• TELKOMSEL - 4246
• EXCELCOM - 9246
• STARHUB - 0903

You will receive a confirmation message acknowledging your sign-out request. You will then have to sign in again the next time you access this service.

Any offline messages will be archived and retrieved the next time you log on to Yahoo! Messenger on your computer. Archived messages will not be sent to you via text message.