The Grandstream 4 Port FXS Gateway is a VoIP (Voice over IP) device designed to connect traditional analog telephones and fax machines to a VoIP network. This gateway is ideal for small to medium-sized businesses looking to integrate their existing analog devices into an IP-based communication system.

Model: Common models include HT814 and GXW4204
4 FXS Ports: Connect up to 4 analog phones or fax machines
SIP Protocol Support: Fully compatible with most SIP-based IP PBX systems and VoIP platforms
HD Voice: High-quality voice performance using wideband audio codecs
Secure Communication: Supports TLS and SRTP encryption

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