Телефона voip/VoIP телефон/IP Phone Support 4 сип-новый

Телефона voip/VoIP телефон/IP Phone Support 4 сип-новый


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Store name : VinTelecom Technology Co., Ltd.
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Product: IP Phone

Model: EP-8201


The EP-8201 is a high quality phone with lots of features for both business and residential users. Its slim and upright design makes it an ideal desktop phone. The phone is based on ITU-H.323 V4 and IETF SIP V2 open standards. The two protocols approach makes the phone to be compatible to most VoIP systems in deployment today. The Phone is designed for the ease of installation and setup. In addition, the second Ethernet Port allows the existing PC to be connected to the phone directly without addition an additional Ethernet Hub or Switch. Various configuration modes allow the user / system administrator to configure the phone automatically or quickly.

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Built-in SIP V2 Protocol

Built-in 3-way conferencing

4 independent lines

Support up to 4 different servers

Auto provisioning and firmware updates

Encryption transversal

Multiple languages

Large 128*64 LCD display

Key Features

Open Standard VoIP Protocols (IETF SIP V2)

All standard PBX functions

Four call appearances support two simultaneous calls

Two 10/100 Ethernet circuits connect to the LAN and an additional device

Graphical LCD

Full featured and programmable keypad for all phone functions

Phone display in English and Chinese (Other languages available upon request)

Buttons and keys for all commonly used functions

Message waiting LED

Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer

Full duplex speaker phone

VLAN and QoS support

NAT Transversal and router functions

Power over Ethernet (PoE) or AC/DC adapter

Menu, HTTP Web, Auto Provision support for configuration and updates

Highly stable embedded Linux operating system in high performance ARM 9 Processor

Basic Feature

Call forward

Call transfer

Call hold



Display caller ID

Display call duration

Display date and time

SMS Capable

Access voice mail

Send DTMF tones

Message waiting indication (MWI)

100 phone book entries

30 most recent call records for dialled, incoming, and missed calls

Adjustment of LCD contrast (4 levels)

Adjustment of handset volume (6 levels)

Adjustment of speaker phone volume (6 levels)

Enhanced Features

Dynamic selection of codec

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)

On line firmware upgrade

Multi-language support: English and Chinese

Supported Standards

ITU: H.225, H.235, H.245, H.450


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), GSM, G.729A/B, G.723.1

DTMF: RFC 2833, In-band DTMF, SIP INFO