Product Description
Product Description:
InProduct troduction
The twoFXS Port VoIP Gateway (HT-922) is designed as a compact, high performance, and low cost Analog Terminal Adaptor (FXS Gateway). It comes with 2FXS ports to interface with traditional analog phone sets or PBX trunk lines for VoIP communications. Its high performance offers toll quality voice, flexible networking, and feature-rich call functions. It is an ideal low cost solution for SME environment where multiple lines are required.
Key Features - Static IP support
- Switch mold support
- support DHCP,PPPOE
- Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
- Two 10/100 Ethernet for WAN / LAN connections
- Peer-to-Peer IP Calls
- Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
- Line Echo Cancellation
- VLAN and QoS support
- NAT Transversal and Router functions
- Voice prompts, HTTP Web, Auto Provision support for configuration and updates
- Highly stable embedded Linux operating system in high performance ARM 9 Processor
|
Basic Features - Two RJ-11 FXS port for traditional phone set or PBX`s trunk line
- LEDs for Power, Ready, Status, WAN, PC, FXS
- Call Forward, Call Hold, Call Transfer
- Dial Plan
- Caller ID
- 3 times re-password
- Billing support
- Keyboard setting
- IP voice enrollment
|
Enhanced Features - Dynamic selection of codec
- Advanced jitter buffer
- Automatic traversal of NAT and firewall
- VLAN / Qos
- Router
- Echo cancellation for Speakerphone
- Comfort noise generation (CNG)
- Voice activity detection (VAD)
- Auto provisioning (requires auto provisioning server)
- On line firmware upgrade
- Multi-language support: English and Chinese
|
Supported Standards - 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 Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
- RFC 3891 SIP “Replaces” Header
- RFC 3892 SIP Referred-By Mechanism
- draft-ietf-sipping-cc-transfer-04 Session Initiation Protocol Call Control - Transfer
- Codec: G.711 (A/µ law), G.729A/B, G.723.1
- DTMF: RFC 2833, In-band DTMF, SIP INFO
|
Hardware Specifications - Processor: ARM9E 133MHz
- DSP: VPDSP101 95MHz
- Memory: RAM 16MB/ Flash 4MB
- Power: Input AC100V ~ 240V, output 24VDC / 300mA
- Power consumption: 4W maximum
- Network card: 100/10Base-T x2
- LED: Operation and lines light
- RJ11:two 24V feed 48V ring
- 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: 95 g (1 lb) (Including AC/DC Adapter)
- Warranty: one year
|
Example:
peer to peer:it is a new function that you can use our voip without platform,what is more,it is free roaming for international call.you just pay the local call
Model 1:
Model 2:
Model 3:
Pictures and Package:
