Grandstream – GXW4502 E1/T1/J1 Digital Voip Gateway integrating digital PSTN & ISDN trunks w/VOIP

• E1/T1/J1 Digital VoIP Gateway for integrating digital PSTN and ISDN trunks with VoIP networks
• 2 software-configurable E1/T1/J1 port and supports PRI, SS7 and MFC R2
• Dual Gigabit network ports with a configurable integrated NAT router
• 60 concurrent calls, multi-language voice prompts and T.38 fax
• Automated provisioning by HTTPs/TFTP with XML config files
• Supports nearly all the popular voice codecs including Opus, G.722, G.711, G.729, G.723, iLBC, G.726, GSM-FR and more
• Includes 2 USB 3.0 ports and 1 SD card interface for expandable memory

Technical Description

• Concurrent Calls: 60
• Number of Ethernet Ports: 2
• T1/E1 Support: Yes
• Color: Black