ParentComponent.js

import {Component} from 'angular2/core';
import {Phone}      from './phone';



@Component({
  selector: 'hello-world',
  template: `
  <label>Phone international:</label>
  <hr>
  <phone [inputmodel]="phonenumber" (outputmodel)="emitter($event)"></phone>
  `,
  directives: [componentItem, Phone]
})
export class HelloWorld {
  
  phonenumber: number = '23823'
  
  emitter(value){
    console.log(value)
  }
}