TheGoIP 8 is an 8-port VoIP GSM gatewaythat bridges cellular networks and IP-based networks. It features8 dedicated SIM card slots, allowing it to handle up to8 simultaneous voice calls or SMS transmissionsby converting traditional cellular traffic into VoIP data, and vice versa. This device is widely implemented by medium-sized businesses, call centers, and VoIP terminators to drastically reduce call costs, bypass traditional PSTN landlines, and manage high-volume corporate communications.Core Functionality

• Bi-Directional Bridging: Seamlessly routes incoming and outgoing calls from VoIP systems (like an IP PBX) to GSM cellular networks, and from mobile networks to IP channels.
• 8 Concurrent Channels: Operates 8 separate GSM channels concurrently. Each channel can be configured individually with its own IP PBX connection or pooled together into a single trunk.
• SMS & Routing Management: Beyond voice capabilities, the unit supports sending bulk SMS messages, flexible call forwarding, and customizable dial plans.

Key Technical ProtocolsOpen standard SIP V2 (IETF SIP V2) and H.323Network InterfacesTwo 10/100 Mbps Ethernet ports (1x LAN, 1x PC)Mobile FrequenciesQuad-band GSM (850 / 900 / 1800 / 1900 MHz)Hardware CoreARM processor (ARM9 or ARM11 depending on hardware revision) with an embedded Linux OSAudio OptimizationComprehensive jitter buffer, Echo cancellation, Voice Activity Detection (VAD), and Comfort Noise Generation (CNG)Configuration InterfaceWeb-based HTTP graphical user interface and voice prompts