**Below are useful phone system link:** OptimizedVoIP Default Phone System Document * OptimizedVoIP Quick Phone Reference - [https://drive.google.com/file/d/18N7j26s-scSx-XkRCqyKXJWNbZ1M70bu/view?usp=sharing][1] * HOWTO send vFAX by email - [https://drive.google.com/file/d/0B3ppSYlM6C-BcVpONzlpbFBFaHM/view?usp=s…