Gateway VoIP-Analógico Grandstream 48 puertos analógicos FXS
https://sgmtelecom.es/shop/gateway-voip-analogico-grandstream-48-puertos-analogicos-fxs-1247
https://sgmtelecom.es/web/image/product.template/1247/image_1920?unique=53460ec
Gateway Grandstream 32 puertos FXS
