public boolean hasDestSubaddress() {
return destSubaddress.hasValue();
}
public boolean hasSourceSubaddress() {
return sourceSubaddress.hasValue();
}
public boolean hasCallbackNum() {
return callbackNum.hasValue();
}
public boolean hasCallbackNumAtag() {
return callbackNumAtag.hasValue();
}
public boolean hasMessagePayload() {
return messagePayload.hasValue();
}