SIP-T29G je najnapredniji model Yealinkove T2x serije IP telefona, i predstavljen je kao zamena za model SIP-T28P, donoseći karakteristike modela SIP-T38G, koje su dodatno unapređene. Opremljen je TFT ekranom u boji visoke rezolucije koji daje bogato vizuelno iskustvo. Yealink Optima HD tehnologija omogućuje mu bogati, jasni i čisti zvuk vrhunskog kvaliteta. Tu su i dva Gigabit Ethernet porta, veliki broj mogućnosti proširenja, poput žičnih i bežičnih slušalica putem EHS adaptera, do Bluetooth slušalica putem opcionalnog USB dongla BT40. 10 fizičkih tastera je moguće isprogramirati za 27 različitih funkcija (listanjem na tri stranice).

Opcije
•    Dva 10/100/1000 Ethernet porta, PoE
•    Ekran u boji 4,3" 480 x 272 piksela s pozadinskim osvjetljenjem
•    Yealink Optima HD Voice tehnologija
•    Do 16 VoIP naloga
•    Podrška za naglavne slušalice (žične i bežične putem EHS adaptera)
•    Podrška za spajanje konzole za proširenje EXP20
•    Montaža na zid (opcija)
•    Podnožje s dva ugla nagiba
•    Paperless dizajn
•    Ugrađen USB port, podrška za Bluetooth slušalice (uz BT40)

Phone Features
16 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Group listening, SMS, emergency call
Redial, call return, auto answer
3-way conferencing
Direct IP call without SIP proxy
Ring tone selection/import/delete
Set date time manually or automatically
Dial plan
XML Browser
Action URL/URI
Integrated Screenshots
RTCP-XR

Audio Features
HD voice: HD handset, HD speaker
Codecs: G.722, G.711(A/μ), G.723, G.729AB, G.726, iLBC
DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC

IP-PBX Features
Busy Lamp Field (BLF)
Bridged Line Apperance(BLA)
Anonymous call, anonymous call rejection
Hot-desking
Message Waiting Indicator (MWI)
Voice mail
Call park, call pickup
Intercom, paging
Music on hold
Call completion
Call recording

Directory
Local phonebook up to 1000 entries
Black list
XML/LDAP remote phonebook
Intelligent search method
Phonebook search/import/export
Call history: dialed/received/missed/forwarded

Management
Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
Auto-provision with PnP
BroadSoft device management
Zero-sp-touch, TR-069
Phone lock for personal privacy protection
Reset to factory, reboot
Package tracing export, system log

Display and Indicator
4.3" 480 x 272-pixel color display with backlight
16 bit depth color
LED for call and message waiting indication
Dual-color (red or green) illuminated LEDs for line status information
Wallpaper
Intuitive user interface with icons and soft keys
National language selection
Caller ID with name, number and photo

Feature keys
10 line keys with LED
10 line keys can be programmed up to 27 various features (3-page view)
8 features keys: message, headset, conference, mute, hold, transfer, redial, hands-free speakerphone
4 context-sensitive “soft” keys
6 navigation keys
2 volume control keys
Illuminated message key
Illuminated headset key

Interface
Dual-port Gigabit Ethernet
Support Bluetooth headset through USB Dongle
1xRJ9 (4P4C) handset port
1xRJ9 (4P4C) headset port
1XRJ12 (6P6C) EXT port: Supports up to 6 Expansion Modules for an attendant console application
Power over Ethernet (IEEE 802.3af), class 3

Other Physical Features
Stand with 2 adjustable angles
Wall mountable (optional)
External universal AC adapter: AC 100~240V input and DC 5V/2A output
Power consumption (PSU): 1.8-5.4W
Power consumption (PoE): 2.1-8.0W
Dimension(W*D*H*T): 244mm*213mm*185mm*54mm
Operating humidity: 10~95%
Operating temperature: -10~50°C

Network and Security
SIP v1 (RFC2543), v2 (RFC3261)
Call server redundancy supported
NAT transverse: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP/PPPoE
HTTP/HTTPS web server
Time and date synchronization using SNTP
UDP/TCP/DNS-SRV(RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
SRTP for voice
Transport Layer Security (TLS)
HTTPS certificate manager
AES encryption for configuration file
Digest authentication using MD5/MD5-sess
OpenVPN, IEEE802.1X
IPv6