adapter.addMapping(PhoneSettings.OUTBOUND_PROXY_PORT, "sip/SIPPort");
adapter.addMapping(PhoneSettings.OUTBOUND_PROXY_PORT, SIP_PORT_SETTING);
    public Object getAdapter(Class c) {        Object o = null;        if (c == PhoneSettings.class) {            SettingBeanAdapter adapter = new SettingBeanAdapter(c);            adapter.setSetting(getSettings());            adapter.addMapping(PhoneSettings.OUTBOUND_PROXY, "sip/SipOutBoundProxy");            adapter.addMapping(PhoneSettings.OUTBOUND_PROXY_PORT, "sip/SIPPort");            adapter.addMapping(PhoneSettings.TFTP_SERVER, "network/TftpURL");            o = adapter.getImplementation();        } else {            o = super.getAdapter(c);        }        return o;    }