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H.323 16 Channel SIP VOIP GSM Gateway White 500g 1 lb with Internal Attenna

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Brand Name: OPTFOCUS
Model Number: OFS-GP16
Certification: CE,FCC
Place of Origin: CHINA
MOQ: 1 PCS
Price: negotiated
Payment Terms: L/C, T/T, Western Union,Paypal
Supply Ability: 1000pcs one month
Delivery Time: wihin 3-5 days after get payment
Packaging Details: The seller standard export package
Protocol: Support SIP/H.323
Operating temperature: 10°C to 40°C (50°F to 104°F)
Storage temperature: 0°C to 50°C (32°F to 122°F)
Color: White
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H.323 16 Channel SIP VOIP GSM Gateway White 500g 1 lb with Internal Attenna


H.323 16 Channel SIP VOIP GSM Gateway White 500g 1 lb with Internal Attenna


OFS-GP16


GP is designed to work in conjunction with key phone systems and IP-PBX to provide GSM communications. The extensive compatibility of the GP makes it an ideal choice to

be deployed in multi vendor open architecture VoIP networks. GP is a great way to provide fast phone

service deployment where regular PSTN line may not be readily available. GSM gateway also provides

significant savings in usage, infrastructure and maintenance cost compared to conventional PSTN.

Benefits of GP

  • Extensive product compatibility with industry leading vendors
  • Cost-Savings on phone calls between mobiles or to PSTN
  • Easy to install – IP device with Web based management interface
  • Can be managed and monitored remotely over Internet - a great service to offer to customers by system integrators
  • GPs can be grouped together to establish GSM gateway cluster
  • Termination between GSM/VoIP
  • Schedule or on demand SMS Broadcast messages to users (additional SMS server is required)
  • 1-year warranty on hardware

Key Features

  • Provide one (GP) or four (GP4) cellular channels for IP-PBX
  • Support open standard SIP Protocols (IETF SIP V2)
  • Support SIP proxy mode
  • Multiple GPs 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


Standards Supported

  • 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/D 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)

Descreiption


A VoIP GSM gateway (GP) is an IP-based device that enables inbound and outbound VoIP and GSM cellular calls. It is a great alternative

to PSTN, especially in area where GSM service is available for VoIP call termination. A typical set up is

shown as follow:

User account authentication using MD5


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
  • VLAN / QoS
  • Echo cancellation for Speakerphone
  • Comfort noise generation (CNG)
  • Voice activity detection (VAD)
  • Auto provisioning (requires auto provisioning server)
  • Firmware upgrade from GUI
  • Dial Plan
  • Password protection for both 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

Hardware Specifications


Operating temperature10°C to 40°C (50°F to 104°F)
Storage temperature0°C to 50°C (32°F to 122°F)
Weight

500 g (1 lb) (Including AC/DC Adapter) for GP

1350 g (3 lb) (Including AC/DC Adapter) for GP4

Power

12 Vdc 500 mA (AC/DC adapter included) for GP

12 Vdc 2000 mA (AC/DC adapter included) for GP4


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Cheap H.323 16 Channel SIP VOIP GSM Gateway White 500g 1 lb with Internal Attenna for sale
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