UTT-900 IP phone is an internet based voice network phone terminal. Our IP phone series adopts multiple voice control protocols and voice compression coding methods to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service. Price : S$120

Specification

Segment LCD Display - It has a LCD of 74mmx29mm size and a backlight. Here is the display when all segments illuminate:

Voice Features

Support SIP 2.0 (RFC3261) and correlative RFCs

Support IAX2

SIP supports 2 SIP servers, public and private server. Can connect to public SIP and private SIP server at the same time

Codec: G.711A/u, G.7231 high/low, G.729a/b, G.722

Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms max filter length in hands-free mode

Support Voice Gain Setting, VAD, CNG

Full duplex hands-free speakerphone

NAT transverse: Support STUN client

SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call

DTMF Relay: Support inband, SIP info, RFC2833

SIP application: support call forward/ transfer/ holding/ waiting/conference/ paging and intercom

Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, limit call, no disturb, caller ID

Support phonebook 500 records

Incoming calls /outgoing calls / missing calls. Each supports 100 records.

Support conference and voice record on SIP server

Support voice record in this phone, 240 seconds max or 3 record max, user-defined record prompt with 1 minute max

8 kinds of ring types

Maintenance and Management

Web, telnet and keypad management

Management with different account right

Upgrade firmware through POST mode

Upgrade firmware through HTTP, FTP or TFTP

Telnet remote management/ upload/download setting file

Safe mode provide reliability

Support Auto Provisioning (upgrade firmware or configuration file)

Support Syslog

Network Features

WAN/LAN: support bridge and router model

Support PPPoE for xDSL

Support basic NAT and NAPT

Support DHCP client on WAN

Support DHCP server on LAN

Support main DNS and secondary DNS server.

Support VLAN (optional: voice vlan/data vlan)

Support DMZ

Support DNS Relay, SNTP Client, Firewall

Support VPN (L2TP/UDP TUNNEL)

QoS with DiffServ

Network tools in telnet server: including ping, trace route, telnet client

Standard Component:

Packing: