Ejointech Best GSM Gateway 16 Ports,Inbound and Outbound GoIP Sip Gateway 16 Sim [ACOM516L-16]

ACOM516L-16 4G VoIP Gateway ACOM516L-16 it's 16 Ports VoIP GSM Gateway GoIP-16 for call application (VoIP to GSM) and origination (GSM to VoIP). It is SIP&H.323 based and compatible with sip protocal like Asterisk, Trixbox, 3CX, SIP Proxy Server, IP Pbx,VOS. It can enable to make 16 calls simultaneously from IP phones to GSM networks and GSM networks to IP phone. Specifications Model ACOM516L-16 Description 16 Ports 16 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 detection/generationDTMF relay: in-band, RFC 2833 and SIP infoCall forward: unconditional, no answer and busyN-way conferencingCaller ID display/generation, Mobile Number Portability V