Angualr Web based Voice over IP app using RingCentral Account

Job ID: 35088999

Budget: $250 – $750 USD

The app should have the features.
1- 1 phone number for multiple lines.
2- missed call notifications
3- make call and receive call option
4- efax option
5- sms receiving and sending option
6- call override option
7- call recording option
8- call holding music option.

The front end can be as boring as you want, I can adjust the front end myself. I need someone to write the backend of the app.
Related categories: PHP JavaScript phpMyAdmin jQuery Angular