VOIP шлюзы - VoIP шлюз HT-342 (4-FX0 Port)
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Арт. 10811011
0 ₽
Гарантия
Цена действительна только для интернет-магазина и может отличаться от цен в розничных магазинах
Количество FXO портов: есть, 4 шт; Количество Ethernet портов: 2 шт; Поддерживаемые протоколы: ITU-H.323 V4 и IETF SIP V2; Вес упаковки: 0.55 г
Аналоговые FXO VoIP шлюз HT-342 имеет встроенный маршрутизатор 1 x 10/100 Eth (WAN), 1 x 10/100 Eth (LAN). Четыре SIP регистрации.Четыре FXO порта. Протоколы: ITU-H.323 V4 и IETF SIP V2. Кодоки: G.711 A/μ law, G.729A/B, G.723.1. HT-342 может использоваться в SOHO, небольших офисах и филиалах крупных предприятий.
Характеристики
- Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
- Single or Multiple Server Registrations
- 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 10/100 Ethernet circuits connect to the LAN and an additional device
- Four RJ-11 FXO ports for PSTN terminations (PSTN lines or PBX's extensions)
- LEDs for Power, Ready, Status, WAN, PC, FXO ports
- Call forward from PSTN to VoIP and VoIP to PSTN
- Dial in mode or dial out mode only
- Dial Plan
- Password protection for both PSTN dial in or dial out
- Retransmit PSTN Caller ID to VoIP terminal
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
Physical and Environmental
Operating temperature: 10°C to 40°C (50°F to 104°F)
Storage temperature: 0°C to 50°C (32°F to 122°F)
Weight: 0.55 kg (1.3 lb) (Including AC/DC Adapter)
Size: mm (W) x mm (L) x mm (H) ( ” x ” x ”)
Power: 12 Vdc 500 mA (AC/DC adapter included). Classification 0 under IEEE 802.3af on CN2x4