Multi-SIM VoIP Gateway GSM VoIP Gateway

•4 SIM slots per 1 GSM/3G/4G channel

•Auto CLIP

•32 chs / 128 SIM slots, 16 chs / 64 SIM slots, 8 chs / 32 SIM slots

•Signaling & RTP Encryption

•Built-in antennas combiner (Optional)

•SMPP for SMS

•GSM: 850/900/1800/1900Mhz

•HTTP API for SMS

•WCDMA: 900/2100Mhz or 850/1900Mhz

•Polarity Reversal

•LTE: Multiple frequency choices for different countries

•PIN Management

•SIP v2.0, RFC3261

•SMS/USSD

•SIM Rotating by SIM run time, SIM balance

•SMS to Email, Email to SMS

•Codecs: G.711A/U , G.723.1, G.729AB

•Call Waiting/Call Back

•Echo Cancellation

•Call Forward

•DTMF: RFC2833, SIP Info

•GSM Audio Coding: HR, FR,EFR, AMR_FR,AMR_HR

•Programmable Gain Control

•HTTPS/HTTP Web Configuration

•Mobile to VoIP, VoIP to Mobile

•Configure Backup/Restore

•SIP Trunk and Trunk Group

•Firmware Upgrade by HTTP/TFTP

•Port and Port Group

•CDR(10000 Lines Storage Locally)

•Caller/Called Number Manipulation

•Syslog/Filelog

•SIP Codes Mapping

•Traffic statistics: TCP,UDP,RTP

•White/Black List

•VoIP Call Statistics

•PSTN/VoIP Hotline

•PSTN Call statistics: ASR,ACD,PDD

•Abnormal Call Monitor

•IVR Customization

•Call Minutes Limitation

•Auto Provisioning

•Balance Check

•SIP/RTP/PCM Capture

•Random Call Interval