/**
* Removes the given sms message listener from this chat transport.
*
* @param l The message listener to remove.
*/
public void removeSmsMessageListener(MessageListener l) {
// If this chat transport does not support sms messaging we do
// nothing here.
if (!allowsSmsMessage()) return;
OperationSetSmsMessaging smsOpSet =
contact.getProtocolProvider().getOperationSet(OperationSetSmsMessaging.class);
smsOpSet.removeMessageListener(l);
}
