GoIP 4 - VoIP-GSM-шлюз GoIP4 (GSM/SIP/H323)

GoIP 4 - VoIP-GSM-шлюз GoIP4 (GSM/SIP/H323)

4-х канальный VoIP-GSM шлюз GOIP-4 для совершения VoIP-GSM звонков. Поддерживает SIP и H.323 протоколы. Совместим со всеми основными IP PBX: Asterisk, Mera, 3CX и т.д. Используется для построения современной корпоративной телефонной сети.

Ключевые функции

• Provide four 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
• Guad 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

Расширенные функции

• 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

Поддержка стандартов

• ITU: H.323 V4, H.225, H.235, H.245, H.450
• 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

Аппаратные спецификации

• Processor: ARM9E 133MHz
• DSP: VPDSP101-4 100MHz
• Memory: RAM 8MB/ Flash 4MB
• GSM Module: Type: 850MHz, 900MHz, 1800MHz, 1900MHz
• Power: Input AC100V ~ 240V, output 12 Vdc 2000 mA
• Power consumption: 5W 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: 1500 g (3 lb) (Including AC/DC Adapter)
• Warranty: 1 year on hardware