Grandstream GXW-4248, as you can conclude by its very name, it supports up to 48 FXS ports. This VoIP gateway is used for connecting the analog devices of phones and fax machines that remain in the...
The Grandstream GXW-4224 supports 24 FXS ports. This VoIP gateway is used to connect with analog devices including Phones and Fax machines present within a VoIP Network. These support the different...
Grandstream GXW-4216 is better defined as a 16 FXDS port VoIP gateway that is used to connect with analog devices namely phone and fax machines with a VoIP Network. This includes support for a broad...