Grandstream

Dual Gigabit auto-sensing 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 wide-range of voice codecs, including G.722, G.729, iLBC, and more Supports T.38 Fax for creating Fax-over-IP Supports multi-language voice promtps Supports up to 60 concurrent calls