Grandstream Gateways enable businesses to create seamless office environments, integrate traditional phone systems into a VoIP network and efficiently manage communication costs. The GXW Series is designed for full interoperability with leading IP-PBXs, Softswitches and most SIP-based environments.
HT841/HT881Analog FXO Gateway
The HT841/881 FXO gateway series enables businesses of all sizes to create an easy-to-deploy VoIP solution. These FXO gateways offer the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on premise IP PBX network to make deployments as easy as possible.
Strong AES encryption with security certificate per unit
Supports 3 SIP profiles through 1 FXS port and 4/8 FXO ports
High-performance NAT router
Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
3-way voice conferencing per port
Automated & secure provisioning options using TR069
Supports T.38 Fax for reliable Fax-over-IP
Failover SIP server automatically switches to secondary server if the main server loses connection
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GXW4500 Series E1/T1/J1 Digital VoIP Gateway
The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks.
Supports multi- language voice prompts
Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router
Supports a wide- range of voice codecs, including Opus, G.722, G.729, iLBC, and more
TLS and SRTP security encryption technology to protect calls and accounts
Automated provisioning by HTTP/TFTP with XML config files
Supports T.38 Fax for creating Fax-over-IP
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GXW4200 Series High-Density, Gigabit Gateways
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
Supports simultaneous 3-way voice conferencing per port
16/24/32 FXS ports, GXW4248 includes 2 50-pin Telco connectors
1 Gigabit network port
132×48 backlit graphic display with support for multiples languages
4 SIP server profiles per system, independent SIP account per port
Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
Advanced security protection with SRTP/TLS/HTTPS
Supports 16KHz wide-band voice sampling rate and wide-band codecs such as Opus and G.722
Carrier-grade security features including secure boot, unique certificate and random default password per device, dual firmware images
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