GSM Gateway voip, 4 SIM slot, GoIP

₱12,000.00
In stock
SKU
GSM Gateway voip, 4 SIM slot, GoIP

Specifications
SIP2.0&H.323,GSM Gateway voip 4 port ;
Support IMEI change;
Support VPN;
Relay encryption;
Can be customized.


Product Overview
The 4-port GSM VOIP Gateway (GoIP1) bridges the GSM services and the IP networks. It is ideal for VoIP to wireless services where a fixed telephone line (PSTN) is not available or for cellphone roaming via the a VoIP network. The GoIP4 brings mobility, scalability and significant savings on long distance charges.


Key Features

Provide one cellular channels for IP-PBX

Support open standard SIP Protocols (IETF SIP V2)

Support SIP proxy mode

Multiple GoIP4 grouping mode

Two 10/100 Ethernet ports for the LAN and an additional device

Quad band GSM module: support GSM 850MHz, 900 MHz, 1800 MHz, 1900MHz

Speech quality ensured by QoS at LAN, IP layers and comprehensive jitter buffer

VLAN and QoS support

NAT Transversal

Voice prompts, HTTP Web

Highly stable embedded Linux operating system in high performance ARM 9 Processor

Enhanced Features

LEDs for Power, Ready, Status, WAN, PC, GSM

Call forward from GSM to VoIP and VoIP to GSM

Dial in mode or dial out mode only

Dial Plan

Password protection for both GSM dial in or dial out

Retransmit GSM Caller ID to VoIP terminal

Dynamic selection of codecs

Advanced jitter buffer

Automatic traversal of NAT and firewall

VLAN / Qos

Echo cancellation for Speakerphone

Comfort noise generation (CNG)

Voice activity detection (VAD)

Auto provisioning (requires auto provisioning server)

Firmware upgrade from GUI

Supported Standards

RFC 1889 - RTP/RTCP

RFC 2327 - SDP

RFC 2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals

RFC 2976 - SIP INFO Method

RFC 3261 - SIP

RFC 3264 - Offer/Answer model with SDP

RFC 3515 - SIP REFER Method

RFC 3842 - A Message Summary and Message Waiting Indicator

RFC 3489 (STUN) - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)

RFC 3892 - SIP Referred-By Mechanism

Proprietary Firewall-Pass-Through Technology

Codec: G.711 (A/µ law), G.729A/B, G.723.1

DTMF: RFC 2833, In-band DTMF, SIP INFO

Web-base Management

PPP over Ethernet (PPPoE)

PPP Authentication Protocol (PAP)

Internet Control Message Protocol (ICMP)

TFTP Client

Hyper Text Transfer Protocol (HTTP)

Dynamic Host Configuration Protocol (DHCP)

Domain Name System (DNS)

User account authentication using MD5

Hardware Specifications

Processor: ARM9E 133MHz

DSP: VPDSP101 95MHz

Memory: RAM 8MB/ Flash 4MB

GSM Module: Type: 850MHz, 900MHz, 1800MHz, 1900MHz

Power: Input AC100V ~ 240V, output 12 Vdc 500 mA

Power consumption: 3W maximum

Operating temperature: 10°C to 40°C (32°F to 104°F)

Storage temperature: 0°C to 50°C (32°F to 122°F)

Working Humidity: 40% ~ 90% Not congealed

Weight: 500 g (1 lb) (Including AC/DC Adapter)

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