GSM Voip Gateway Goip-1i Support Asterisk,trixbox,3cx,sip Proxy Server,voip Buster

Description

GoIP VOIP Gateway GSM Converter SIP IP Phone Adapter Quad Band 1xGSM SIM Gateway:Trunk to Asterisk iP PBX Benefits of GoIP: Extensive product compatibility with industry leading vendor Cost-Savings on phone calls between mobiles or to PSTN Easy to install IP device with Web based management interface Can be managed and monitored remotely over Internet - a great service to offer to customers by system integrators GoIPs can be grouped together to establish GSM gateway cluster Termination between GSM/VoIP Schedule or on-demand SMS Broadcast messages to users (Additional SMS server is required) Key Features: Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2) Single Server Registrations SIP peer-to-peer mode SIP proxy mode GSM module : 850MHz, 900 MHz, 1800 MHz, 1900MHz Advanced jitter buffer VLAN and QoS support NAT Transversal Call forward from GSM to VoIP and VoIP to GSM Password or Trust list protection for dial in mode and dial out Comprehensive dial Plan Retransmit GSM Caller ID to VoIP terminal Dynamic selection of codecs Echo cancellation for Speakerphone Comfort noise generation (CNG) Voice activity detection (VAD) Firmware upgrade from GUI