Ejointech Multiple Sim Calling Machine 4G LTE 16 Ports 64 SIM GOIP VoIP GSM Gateway [ACOM516L-64]

ACOM516L-64 4G VoIP Gateway VoIP Gateway is a multi-functional and high performance product, which convert GSM network to VoIP.It supports mutiple concurrent lines.It is widely used in call center, enterprise communication,sim active, sms verify code, sms marketing, automated appointment reminder service,sim recharge and corporate sms,veryfication sms,wallet payment system etc.ACOM56L-64 series is a multiple sim cards per port (4 sim cards per port) device which uses Internet Protocols to transmit and receive voice communications and sms service. Specifications Model ACOM516L-64 Description 16 Ports 64 Sim Slots 4G LTE Voip Gateway Frequency Bands Global Network Compatible SIP Specification SIP/2.0 RFC3261Session Timer RFC4028STUN Network Protocols DHCP/PPPoE/VPN(PPTP/Open VPN)NTP Telnet/HTTP/FTP/TFTPEncryption:Ejoin,VOS2000,RC4,XOP.Base64 Telephone Hot-line call ,Dial plan, Speed dial, Phone book,CDR, LCR, White/Black list Telephony Signaling DTMF tone dete