4 channels ip phone,EP8201(sip/H.323)

Specifications

Overview
The EP-8201 is a 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. The PoE option simplify the installation in a PoE LAN environment. 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.

Key Features
--Open Standard VoIP Protocols (ITU H.323 V4 and 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 Phone Features
--Call forward
--Call transfer
--Call hold
--Mute
--Redial
--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
--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), GSM, G.729A/B, G.723.1
DTMF: RFC 2833, In-band DTMF, SIP INFO 
  

Application:

Saving Cost on International and Long Distance Calls,when you are in the other countries& you have this gateway at your Local office,you could dial & receive phone call from your customers as you are there without Long Distance fee.
Very excellent solution for internal company with branch offices oversea.

SKYLINE International Communication Co., ltd is a high-tech enterprise integrated with scientific research, development, production and sales. The company has been engaged in the research, development and production of communication products since its establishment. Our products are listed as follows.

FXS series:HT-912(one fxs port),HT-922(2 fxs ports),HT-842R(4 fxs ports).HT-882(8 fxs ports)

 FXS+PSTN series:HT-812P(1 fxs port with a PSTN live line),HT-822P(2 fxs ports with a PSTN live line),HT-522(2 fxs ports with 2 PSTN live lines),HT-544(4 fxs ports with 4 PSTN live lines)

 FXO series:HT-322(2 fxo ports),HT-342(4 fxo ports)

 FXO+FXS series:HT-112(1 fxo port and 1 fxs port),HT-222(2 fxo ports and 2 fxs ports),HT-442(4 fxo ports and 4 fxs ports)

 GSM series:GoIP 1 (1 channel), GoIP 4 (4 channels), GoIP 8 (8 channels)

 RoIP series: RoIP302, RoIP302M, RoIP102

 IP Phone: EP-636 (1 lines), EP-8201 (4 lines)

 Recorder Box:TYH8200 (1 line), TYH8201 (2 lines), TYH636 (8 lines)

If you have any doubt or want to know further information,please feel free to contact me.