Availability - In Stock

The Yuxin YWH-201 is based on the new AR1688 from Aredfox and replaces the popular PA1688 chipped phones.

Firmware V0.24 Released 11/11/2007

Change and fixes in Firmware:

1. Improved echo cancellation quality.
2. Added Speex 8k sampling 2k/4k/6k/8k/ 15kbps bitrate support
3. Added layer 2 (VLAN 802.3p) and layer 3 QoS support
4. Added ip fragment support, now ywh201 can support IP data up to 2960 bytes (ping 2952 bytes)
5. New "Manager" tool to replace PA1688 "Palmtool"
6. Fixed an ARP send repeat request bug
7. Fixed call time larger than 65536 seconds display bug
8. Fixed SIP DNS SRV bug
9. Fixed a UDP checksum bug
10. Fixed a SIP STUN bug
11. Moved call record from DSP memory to heap

Hardware Features

Main chip - AR1688 (MCU 60MHz ;DSP72 MIPS)
On chip SRAM 116KB
18 Bits High Performance On chip Codec
Program Memory 2 MB Flash memory
Display LCD 2 X 16 characters.
Ethernet Port 1 or 2 X 10/100M Connectors
AC/DC adapter Input AC100--- 230V - Output 9V DC, 1A

Software Features

DHCP support for LAN or Cable modem
Set phone by web browser or Keypad
Auto-provision firmware and configuration via HTTP ;
Manual upgrade firmware via HTTP ;
Support G.711A/G723.1 5.3K/6.3K; G729; GSM610; iLBC audio codec
VAD(Voice active detect)
CNG (Comfort noise generation)
Dynamic voice jitter buffer
G.165/168 compliant 32ms echo cancellation
Tone generation and Local DTMF re-generation according with ITU-T
100 entries for phonebook
10 entries, each for missed calls, answered calls and dialed calls
Adjustable volume for both handset and speaker
Hotline

Standards and Protocols

SIP/IAX2 (Inter-Asterisk-eXchange V2)
IEEE 802.3 /802.3 u 10 Base T / 100Base TX
IEEE 802.1P /Q Tag VLAN
QoS: Support for Layer3 Cos(Diff-Serv) and Layer 2Tos (802.1P/Q)
TCP/IP: Internet transfer and control protocol
ARP: Address Resolve Protocol
ICMP: Internet Control Message Protocol
VAD/CNG save Bandwidth
DHCP - Dynamic Host Configuration Protocol
DNS - Domain Name Server
TFTP - Trivial File Transfer protocol
HTTP - Hyper Text Transfer protocol
SNTP - Simple Network Time Protocol

User Manual

YWH201 Quick start

YWH201 User Guide

1 x RJ45
£42.00
£49.36incVAT

2 x RJ45
£47.00
£55.22incVAT

Firmware V0.16 Released 20/06/2007

Change and fixes in Firmware:

1. Dot-matrix design ascii font changed to iso 8859-1 standard.
2. Added Moscow Daylight Saving time.
3. Fixed delay1ms() function to delay accurate time.
4. Fixed a RTP SSRC compare bug.
5. Fixed a SIP to-TAG bug.
6. Fixed a program flash erase failure problem.

Firmware Version 0.17 and 0.18 Released 23/08/2007

1. Fixed a bug when using 4x20 character LCD
2. Added first version of factory test program
3. Added #3*0 DSP test
4. Alex Gradinar added 'Best Fit' algorithm in malloc function
5. Added G.729 Annex B VAD and CFG support
6. Improved TFTP performance

Firmware Version 0.19 and 0.20 Released 9/09/2007

1. Added calling through SIP proxy without registration.
2. Added RFC 3164, the BSD syslog protocol
3. Fixed a SIP registration bug

Firmware Version 0.21 and 0.22 Released 17/10/2007

* 1-4 changes by Alex Gradinar
1. Send syslog message without '\r'.
2. Show SIP status code and Reason Phrase on LCD instead of "Peer rejected" for all SIP call failures.
3. Show Calling number instead of Calling Name while incoming call.
4. Show phone number after changing volume while talking.
5. Diego Frick added Spanish support
6. Fixed a timer bug, now SNTP is programmed to update with server every 18 hours.
7. Improved overall LCD display performance
8. Change continue key press to only 1 valid key
9. Fixed a GP1266 Mute LED bug
10. Added code limit check in hex2bin utility
11. Added New Zealand Daylight Saving time