You will need an add-on-module. For mobile Connections GSM Module, with an antenna (or 3G r 4G). In S20 there is room for 2 cards, but I quess max 1 GSM. Else is for FXO/FXS (pstn and old internal analoges) For us here in Europé, the are quite expensive.
Why you are configuring DHCP Server on the PBX? If you connect to the Router wich have DHCP enabled too you would get problems.
is it possible to implement wireless ip phone, target is 20 users? will it affect my WiFI internet connection?
how to call other server pbx, like from main office to site office? i'm using U100 series. thanks
Look into the Yeastar guides how to set up PBX to PBX, with VPN.
How to configure Call Recording settings in network stoge with yeastar s-series?
HI this product can record voice Calls?
Estimado, ¿que software utilizas para transmitir? , Saludos!
what is yeastar voip 4number dvg default ip please
Hi, I bought the S20 but I can't see where to put a Sim card..do I need an extra device or s20 is suffice. please let me know.
You will need an add-on-module. For mobile Connections GSM Module, with an antenna (or 3G r 4G).
In S20 there is room for 2 cards, but I quess max 1 GSM. Else is for FXO/FXS (pstn and old internal analoges)
For us here in Europé, the are quite expensive.
thanks alot mate