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Product comparison · 2 ip phones

Yealink SIP T42U vs Yealink T33P IP phone Grey 4 lines

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  • 42specifications compared
  • 14differ
  • 28identical
  • 38known for one product only

Key differences

The Yealink SIP T42U has 8 more VoIP accounts than the Yealink T33P IP phone Grey 4 lines (12 vs 4). The Yealink SIP T42U has 2 more programmable keys than the Yealink T33P IP phone Grey 4 lines (6 vs 4). The Yealink SIP T42U has 1 more RJ-9 ports quantity than the Yealink T33P IP phone Grey 4 lines (2 vs 1). Only the Yealink T33P IP phone Grey 4 lines has integrated voicemail. Only the Yealink SIP T42U has Wi-Fi.

  • Handset type
    • Wireless handset
    • Wired handset
  • Number of VoIP accounts
    • 12
    • 4
  • Integrated voicemail
    • No
    • Yes
  • Number of programmable keys
    • 6
    • 4
  • Display diagonal
    • 6.86 cm (2.7")
    • 6.1 cm (2.4")
  • Display resolution
    • 192 x 68 pixels
    • 320 x 240 pixels
  • Ethernet LAN interface type
    • Gigabit Ethernet
    • Fast Ethernet
  • Wi-Fi
    • Yes
    • No

Side by side

Differences highlightedShow differences only
80 specifications
A

Yealink

SIP T42UView product
B

Yealink

T33P IP phone Grey 4 lines

Model T33P

View product
Design1 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWireless handsetWired handset
Product colourGreyGrey
MountingDesk/WallDesk/Wall
Wall mountableYesYes
Device lockKnown for oneYes
Performanceidentical
Operating system installedKnown for oneLinux
Phone features1 differ
Lines quantityKnown for one4 lines
Answering machineKnown for oneYes
Hot deskingKnown for oneYes
Anonymous callYesYes
Anonymous call rejectionYesYes
Call forwardingYesYes
Call historyYesYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call returnKnown for oneYes
Call transferYesYes
Call waitingYesYes
Caller IDYesYes
Customizable wallpaperKnown for oneYes
Direct callYesYes
Do not disturb functionYesYes
Emergency callKnown for oneYes
Full duplexYesYes
Message-waiting indicator (MWI)Known for oneYes
Number of VoIP accountsDiffers124
Phonebook capacity1000 entries1000 entries
RedialingYesYes
Short Message Service (SMS)Known for oneYes
Speed diallingYesYes
Conference callKnown for oneYes
Distinctive ringKnown for oneYes
Management features2 differ
Integrated voicemailDiffersNoYes
Volume controlKnown for oneButtons
Number of function keys55
Number of programmable keysDiffers64
Display2 differ
Display diagonalDiffers6.86 cm (2.7")6.1 cm (2.4")
Display resolutionDiffers192 x 68 pixels320 x 240 pixels
TouchscreenKnown for oneNo
Backlight displayKnown for oneYes
DisplayKnown for oneLCD
Audioidentical
SpeakerphoneKnown for oneYes
Noise reductionKnown for oneYes
Voice codecsKnown for oneAGC, AJB, CNG, G.711a, G.711u, G.722, G.723.1, G.726, G.729, G.729A, PLC, VAD, iLBC
Network4 differ
Ethernet LANYesYes
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ethernet LAN interface typeDiffersGigabit EthernetFast Ethernet
Wi-FiDiffersYesNo
BluetoothDiffersYesNo
DHCP clientKnown for oneYes
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers256-bit AES, HTTPS, TLS, WPA2, WPA3AES, HTTPS
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af
Supported network protocolsKnown for oneIPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263)
Ports & interfaces1 differ
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers21
USB 2.0 ports quantityKnown for one2
Power1 differ
Power over Ethernet (PoE)Known for oneYes
AC adapter input voltageKnown for one100 - 240 V
Input frequencyKnown for one50/60 Hz
Power consumption (typical)Differs2.2 W3 W
Power consumption (Power over Ethernet (PoE))Known for one5 W
Operational conditionsidentical
Operating relative humidity (H-H)10 - 95%10 - 95%
Operating temperature (T-T)-10 - 50 °C-10 - 50 °C
Weight & dimensions2 differ
Width212 mm212 mm
DepthDiffers189 mm186 mm
HeightDiffers175 mm146 mm
Package widthKnown for one627 mm
Package depthKnown for one256 mm
Package heightKnown for one235 mm
Package weightKnown for one63 kg
Packaging contentidentical
Base stationKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown for oneYes
AC adapter includedKnown for oneNo
Cameraidentical
Rear cameraKnown for oneYes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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