48 FXS, 1 GigE, near HD quality audio GXW4248-V2

- 48 FXS, 1 GigE, near HD quality audio
- 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 secure cloud provisioning using Grandstream Device Management Service (GDMS) pending
- 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