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4 Port GSM Gateway INR   38500 INR  35000

4 Port GSM Gateway

A GSM gateway is a device that turns an expensive call from an office land line to a mobile phone into a call from within the GSM network. It makes possible of direct routing between IP, GSM, Digital, and Analog networks GSM Gateway is also called as GSM to VoIP gateway. Standard features: • 4 GSM/CDMA/WCDMA Channels • GSM: 850/900/1800/1900MHz • CDMA: 800MHz • WCDMA: 850/900/1900/2100MHz • Easy to Conduct SIM Rotation Locally • Up to 8 concurrent calls • Auto Update SIM Number and Balance Check • Built-in Bandwidth Saving • Signaling & RTP Encryption • HTTP API for SMS integration Voice Processing • Protocol: SIP v2.0, RFC3261 • Codecs:G.711A/U law, G.723.1, G.729A/B • Silence Suppression • Comfort Noise Generator(CNG) • Voice Activity Detection(VAD) • Echo Cancellation: G.168 with up to 128ms • Dynamic Jitter Buffer • DTMF: RFC2833, SIP Info • Programmable Gain Control • NAT: STUN, Dynamic NAT, Static NAT Physical Interface: • SIM Card Slot: 4 Channels • Ethernet Interface: 2 LAN 10/100M Base-Tx RJ45 • Console: 1* RS232 115200bps • Antennas Connectors: SMA Mobile features: • Frequency Range: GSM: 850/900/1800/1900MHz CDMA: 800Mhz WCDMA:2100MHz(Optional) • Open API Protocol • Call Duration Limitation for SIM Card/Single Call • SMS/SMSC/USSD • BCCH Management • SMS Coding/Decoding: ASCII/UCS2 • PIN Code Management • Answer Delay (CDMA) • Carrier Selection • Caller ID Restriction for Outgoing Call • Call Waiting • Call Forwarding

INR 35000 INR 38500


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