VoIP GSM Gateway from HyberTone

1. GSM VoIP Gateway

The GSM VoIP Gateway (GoIP) provides the extension of GoIP and supports up to GSM channels. Each GSM channel can be programmed individually to establish the connectivity with IP-PBX, or can be bundled as a single trunk in connection with IP-PBX. 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.

2. Model of GSM VoIP Gateway

We have 1, 4, 8, 16 ports GSM VoIP Gateway. there are 7 models
GoIP series
1 port 4 ports 8 ports 16 ports
GoIP-1 GoIP-4 GoIP-8 GoIP-16
GoIP-1i GoIP-4i GoIP-8i

Skype: leohybertone
MSN: leo@hybertone.com
Yahoo: leovoip007@yahoo.com

3. Key features

1) Provide 1,4,8, 16 cellular channels for IP-PBX
2) Support open standard SIP Protocols (IETF SIP V2)
3) Support SIP proxy mode
4) Multiple GoIP grouping mode
5) Two 10/100 Ethernet ports for the LAN and an additional device
6) Guad band GSM module: support GSM 850MHz, 900 MHz, 1800 MHz, 1900MHz
7) Speech quality ensured by QoS at LAN, IP layers and comprehensive jitter buffer
8) VLAN and QoS support
9) NAT Transversal
10) Voice prompts, HTTP Web
11) Highly stable embedded Linux operating system in high performance ARM 9 Processor

4. Enhanced Features

1) LEDs for Power, Ready, Status, WAN, PC, GSM
2) Call forward from GSM to VoIP and VoIP to GSM
3) Dial in mode or dial out mode only
4) Dial Plan
5) Password protection for both GSM dial in or dial out
6) Retransmit GSM Caller ID to VoIP terminal
7) Dynamic selection of codecs
8) Advanced jitter buffer
9) Automatic traversal of NAT and firewall
10) VLAN / Qos
11) Echo cancellation for Speakerphone
12) Comfort noise generation (CNG)
13) Voice activity detection (VAD)
14) Auto provisioning (requires auto provisioning server)
15) Firmware upgrade from GUI

5. Supported Standards

1) ITU: H.323 V4, H.225, H.235, H.245, H.450
2) RFC 1889 - RTP/RTCP
3) RFC 2327 - SDP
4) RFC 2833 - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
5) RFC 2976 - SIP INFO Method
6) RFC 3261 - SIP
7) RFC 3264 - Offer/Answer model with SDP
8) RFC 3515 - SIP REFER Method
9) RFC 3842 - A Message Summary and Message Waiting Indicator
10) RFC 3489 (STUN) - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
11) RFC 3892 - SIP Referred-By Mechanism
12) Proprietary Firewall-Pass-Through Technology
13) Codec: G.711 (A/µ law), G.729A/B, G.723.1
14) DTMF: RFC 2833, In-band DTMF, SIP INFO
15) Web-base Management
16) PPP over Ethernet (PPPoE)
17) PPP Authentication Protocol (PAP)
18) Internet Control Message Protocol (ICMP)
19) TFTP Client
20) Hyper Text Transfer Protocol (HTTP)
21) Dynamic Host Configuration Protocol (DHCP)
22) Domain Name System (DNS)
23) User account authentication using MD5

6. Hardware Specifications

1) Processor: ARM9E 133MHz
2) DSP: VPDSP101-4 100MHz
3) Memory: RAM 16MB/ Flash 4MB
4) GSM Module: Type: 850MHz, 900MHz, 1800MHz, 1900MHz
5) Power: Input AC100V ~ 240V, output 12 Vdc 2000 mA
6) Power consumption: 5W maximum
7) Operating temperature: 10°C to 40°C (32°F to 104°F)
8) Storage temperature: 0°C to 50°C (32°F to 122°F)
9) Working Humidity: 40% ~ 90% Not congealed
10) Weight: 0.9kg (3 lb) (Including AC/DC Adapter)
11) Warranty: 1 year
Created by: hybertone, Last modification: Tue 14 of Aug, 2012 (09:47 UTC)
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