message: Disable MSISDN registration if the homeserver doesn't support it
diff: @@ -447,7 +447,7 @@ module.exports = React.createClass({
  _showPhoneNumber() {
  const threePidLogin = !SdkConfig.get().disable_3pid_login;
  const haveIs = Boolean(this.props.serverConfig.isUrl);
  - if (!threePidLogin || !haveIs || !this._authStepIsUsed('m.login.msisdn')) {
  + if (!threePidLogin || (this.props.serverRequiresIdServer && !haveIs) || !this._authStepIsUsed('m.login.msisdn')) {
  return false;
  }
  return true;
  