Grandstream GXW4248 VoIP Gateway

The GXW4200 v2 high-density FXS gateway series enables businesses of all sizes to create a cost-effective hybrid IP and analog telephone system that offers the benefits of VoIP communications and takes advantage of Gigabit speeds while preserving investment on existing analog phones, fax machines and legacy PBX systems. The GXW4200 series includes 16/24/32/48 FXS ports, a Gigabit network port and features broad interoperability with most service providers, soft-switches and SIP-based environments.

• A single 10/100/1000Mbps auto-sensing RJ45 port
• TLS and SRTP security with AES encryption technology to protect calls and accounts
• Automated provisioning options include TR-069 and XML config files
• Supports simultaneous 3-way voice conferencing per port
• Failover SIP server feature automatically switches to secondary server if main server loses connection
• Supports simultaneous T.38 or pass-through fax-over-IP per port
• Supports a wide range of caller ID formats
• Use with Grandstream's UCM series of IP PBXs for Zero Configruartion provisioning
• Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage promtps, flexible dial plan and more
• Supports 16KHz wide-band voice sampling rate and wide-band codecs such as Opus and G.722
• Secure boot, unique certificate and random default password per device, dual firmware images