Gmail users can send free SMS to their contacts in certain counties and supported mobile networks using the chat functionality in Gmail.
This service is available in the US, but also to several African countries. Here is a list of the African countries and the supported mobile networks in each country:
Ghana
Airtel
MTN
Tigo
Kenya
Airtel
orange
Safaricom
Malawi
Airtel
TNM
Nigeria
Glo
Starcomms
Senegal
orange
Tigo
Tanzania
Vodacom
Uganda
Orange
MTN
Uganda Telecom
Zambia
Airtel
MTN
Other countries that you can SMS via Gmail are: Indonesia, Israel, Palestinian Territories, Philippines and Saudi Arabia.
Here is the Gmail help page with instructions on how to use Gmail to send free SMS or chat messages if you don’t know how to do it:
http://mail.google.com/support/bin/answer.py?answer=106015
More Free SMS Service to Africa
Check out the other free SMS services to Africa at TextMeFree.com:




Send free sms in every place in the world: http://www.talksms.com
You have to register but can send one free SMS everyday, and it included many African countries.
Hey!
Thanks for showing how to use this, but this might be a little simpler for most of us:
http://www.UseFreeSMS.com
Completely FREE and NO registration…
Thanks!