Description
Yealink SIP-T33G – Specifications
General
-
Model: SIP-T33G
-
Type: Mid-range IP Phone with Gigabit Ethernet
-
Lines: Supports up to 3 SIP accounts
-
Display: 2.7-inch graphical color LCD, 192 × 64 pixels
-
Backlight: Yes
-
PoE: Yes (Power over Ethernet) or optional adapter (5V/600mA)
Audio Features
-
HD Voice (wideband audio)
-
Full-duplex speakerphone
-
Acoustic Echo Cancellation (AEC)
-
Noise reduction / voice enhancement
-
Supported codecs: G.722, G.711(A/µ), G.723, G.726, G.729, iLBC
-
DTMF: In-band, RFC 2833, SIP INFO
Network & Security
-
Dual Gigabit Ethernet ports (10/100/1000 Mbps)
-
IPv4 / IPv6 support
-
VLAN, QoS (802.1p/802.1Q, DSCP/ToS)
-
SIP v1 & v2
-
HTTPS, SRTP, TLS, 802.1X
-
VPN support: OpenVPN, L2TP
Call Features
-
Call hold, mute, transfer, forward
-
Call waiting, call park, call pickup
-
5-way local conferencing
-
Redial, speed dial, hotline
-
Caller ID display
-
Message Waiting Indicator (MWI)
-
Busy Lamp Field (BLF) support
Phone Features
-
Local phonebook: up to 1000 entries
-
Remote phonebook via XML/LDAP
-
Call history: dialed, received, missed, forwarded
-
Ringtone selection
-
Intuitive user interface with soft keys and navigation keys
Interfaces
-
2 × RJ45 Gigabit Ethernet ports
-
1 × RJ9 handset port
-
1 × RJ9 headset port
-
Wall-mountable
Dimensions & Weight
-
Dimensions: 188 × 223 × 160 mm
-
Weight: Approx. 0.85 kg
Environmental
-
Operating temperature: -10°C to +50°C
-
Humidity: 10–95% (non-condensing)
