ATA & VoIP Gateways

The Grandstream GXW4501 is a Digital VoIP Gateway with 1 RJ45 ports and 30 concurrent calls. By connecting the GXW4501 with a VoIP network and a traditional PBX or E1/T1/J1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network.

Grandstream GXW4501 Key Features

• Dual Gigabit autosensing RJ45 network ports with integrated NAT router
• TLS and SRTP security encryption technology to protect calls and accounts
• Automated provisioning by HTTP/TFTP with XML config files
• Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
• Supports a widerange of voice codecs, including G.722, G.729, iLBC, and more
• Supports T.38 Fax for creating Faxover-IP
• Supports multilanguage voice promtps
• Supports 30 concurrent calls

The Grandstream GXW4502 is a Digital VoIP Gateway with 2 RJ45 ports and 60 concurrent calls. By connecting the GXW4502 with a VoIP network and a traditional PBX or E1/T1/J1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network.

Grandstream GXW4502 Key Features

• Dual Gigabit autosensing RJ45 network ports with integrated NAT router
• TLS and SRTP security encryption technology to protect calls and accounts
• Automated provisioning by HTTP/TFTP with XML config files
• Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
• Supports a widerange of voice codecs, including G.722, G.729, iLBC, and more
• Supports T.38 Fax for creating Faxover-IP
• Supports multilanguage voice promtps
• Supports 60 concurrent calls

• Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
• Includes a built-in NAT router which can handle routing speeds up to 100MBps
• TLS and SRTP security encryption technology to protect calls and accounts
• Automated provisioning options include TR-069 and XML config files
• Supports 3-way voice conferencing
• Failover SIP server automatically switches to secondary server if main server loses connection
• Supports T.38 Fax for creating Fax-over-IP
• Supports a wide range of caller ID formats
• Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning

The Grandstream GXW4504 is a Digital VoIP Gateway with 4 RJ45 ports and 120 concurrent calls. By connecting the GXW4504 with a VoIP network and a traditional PBX or E1/T1/J1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network.

Grandstream GXW4504 Key Features

• Dual Gigabit autosensing RJ45 network ports with integrated NAT router
• TLS and SRTP security encryption technology to protect calls and accounts
• Automated provisioning by HTTP/TFTP with XML config files
• Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
• Supports a widerange of voice codecs, including G.722, G.729, iLBC, and more
• Supports T.38 Fax for creating Faxover-IP
• Supports multilanguage voice promtps
• Supports 120 concurrent calls

• Supports 2 SIP profiles through 1 FXS port and 1 FXO port
• Dual 100Mbps LAN and WAN ports with Integrated NAT Router
• Lifeline support (FXS port will be hard-relayed to FXO port) in case of 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 main server loses connection
• Strong AES encryption with security certificate per unit
• Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning

• Supports 2 SIP profiles through 4 FXS ports and dual Gigabit ports
• Includes a built-in NAT router which can handle routing speeds up to 100MBps
• TLS and SRTP security encryption technology to protect calls and accounts
• Automated provisioning options include TR-069 and XML config files
• Supports 3-way voice conferencing
• Failover SIP server automatically switches to secondary server if main server loses connection
• Supports T.38 Fax for creating Fax-over-IP
• Supports a wide range of caller ID formats
• Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning

• Supports 2 SIP profiles and 8 FXS ports
• Strong AES encryption with security certificate per unit
• Automated & secure provisioning options using TR069
• 3-way voice conferencing per port
• Exceptional voice quality with wide-band HD codec
• Supports T.38 Fax for reliable Fax-over-IP
• Supports dual Gigabit network ports
• High performance NAT router
• Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning