Key Features

IP PBX for 500 SIP subscribers (250 in basic mode, 500 with license1) Up to 100 concurrent calls Up to 4 E1 lines (RJ-48) 4 LAN ports Call center and call recording functions Brief overview The SMG-500 IP PBX connects SIP subscribers to the PSTN via E1 ports or SIP trunks. Analog phones can be connected via VoIP gateways, and IP phones via the network. Call records and CDR files are saved on SD card or USB flash drive, and can be automatically transferred to external media or FTP server.

Interfaces	4 Е1 (RJ-48) ports 4 ports of Ethernet 10/100/1000Base-T (RJ-45) 1 port of USB2.0, 1 port of USB3.0 1 slot for SD card 1 COM port (RS-232, RJ-45)
VoIP protocols	SIP, SIP-T/SIP-I H.323
Advanced SIP/SIP-T/SIP-I features	SIP and SIP-T/SIP-I interaction
TDM protocols	SS7 PRI (Q.931) Q.699 (PRI and SS7 interaction)
Voice codecs	G.711 (a-law, μ-law) G.726 G.729 (A/B) OPUS1 AMR1

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