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
