Sony Ericsson R250 PRO User Guide - Page 47
Sending and Receiving Text Messages (SMS), Enable the Phone to Send SMS
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EricssonNoMtofboilreCCoommmmerucniiaclatUisoens AB Sending and Receiving Text Messages (SMS) The Short Message Service (SMS) allows you to send and receive text messages consisting of up to 160 characters. A useful feature in your T28 is that you can send text messages to a group which you have defined in your phone book. See "Groups" on page 33. Instead of calling or sending a text message to the members of that group one at a time, you can simply send a single group SMS. If your SIM card does not contain the phone number to your network service centre, you must specify the number yourself. Otherwise you cannot reply to received messages or send your own messages. See "Enable the Phone to Send SMS" below. Note! The Short Message Service may not be available on all networks. Some network operators may only allow SMS to be sent within their own network. Enable the Phone to Send SMS If you want to send or reply to a message, you need to make sure that your network operator's Service centre number is set. Most modern SIM cards already contain this information at the time of purchase. You can obtain the service centre number from your network operator. To activate a service centre number found in the list 1. Scroll to Messages, Y E S, Options, Y E S, Service Centres, Y ES . 2. Scroll to the number you want and press YE S . 3. Select Activate. If no number is found in the list, you have to set the number yourself. To enter the phone number to your service centre 1. Scroll to Messages, Y E S, Options, Y E S, Service Centres, Y ES , Add new?, Y ES . 2. Enter the number, including the international (+) sign and country code and press Y E S. 46 Sending and Receiving Text Messages (SMS)