Thanks to the GSM/WCDMA connectivity on Yeastar IP-PBX, you could take full advantage of SMS feature of cellular networks. Yeastar IP-PBX will automatically transform the SMS received to the email format first, and then send the email to the target email address through the pre-configured system email. You could also send an email to the system to trigger a SMS sending.
Imagine that you are hanging out, but unexpectedly an urgent email needs to be sent. You can easily edit the email content through the SMS on your mobile phone and send it to the GSM trunk number on your S-Series VoIP PBX.