Grandstream GXW4248 | FXS шлюз
48 FXS ports , 2*50-pin Telco connector, 1 x 10M/100M/1000Mbps auto-sensing RJ45 port, 132x48 backlit graphic display, Supports a wide range of caller ID formats, Supports 3-way voice conferencing,Advanced security protection with SRTP/TLS/HTTPS