GrandStream IP-PBX with 4 FXOs for 45 simultaneous calls

GrandStream IP-PBX with 4 FXOs for 45 simultaneous calls

-        1GHz ARM Cortex A8 processor, large memory capacity (512MB DDR RAM, 4GB Flash) Dedicated DSP processor array for voice processing, including hardware transcoding capability.
-        4 FXO ports for PSTN trunks, 2 FXS ports for analog phones with backup capability using PSTN lines in case of power outage and with the option of up to 50 SIP trunks.
-        2 Gigabit network ports (LAN/WAN) with integrated PoE, USB, SD, integrated NAT router with advanced QoS support.
-        Supports up to 500 SIP registrations, 45 concurrent calls.
-        Line Echo Cancellation of up to 128ms processed over DSP, providing carrier-grade quality, caller ID and progress tone detection via hardware, and intelligent impedance detection to adapt to the local telephone provider.
-      Flexible dialing plan, call routing, connection to other IPPBXs or service providers, call recording, central control panel for terminals, NTP server, and integrated LDAP contact directory.
-        Automatic discovery and provisioning of IP phones, video phones, ATAs, and other endpoints for easy deployment.
-        Encryption using hardware acceleration to ensure maximum security protection using SRTP, TLS, and HTTPS.
-        128x32 LCD graphic display with 'Select' and 'OK' buttons.
-        Supported video codecs: H264, H263 and H263+
-        Compatible with T.38 protocol for Fax.
-        Supported audio codecs: G.711 (I and II), G.723.1A, G.729A/B, G.726 and iLBC
-        Supports QoS at layer 3.
-        19 languages ​​supported, including Spanish.
-        Supported temperature range: 0°C to 40°C.
-        Power: 12 Vdc, 1.5 A with its power supply; compatible with 802.3 at for PoE.
-        Dimensions: 226 x 34 x 155 mm