Product comparison · 2 ip phones

Yealink-SIP-T77U vs Yealink W57R IP phone Black 2 lines TFT

37specifications compared
12differ
25identical
59known for one product only

Key differences

The Yealink-SIP-T77U has 900 entries more phonebook capacity than the Yealink W57R IP phone Black 2 lines TFT (1000 entries vs 100 entries). The Yealink-SIP-T77U has 1.4 A more AC adapter output current than the Yealink W57R IP phone Black 2 lines TFT (2 A vs 0.6 A). The Yealink W57R IP phone Black 2 lines TFT has 5 - 95% more operating relative humidity (H-H) than the Yealink-SIP-T77U (10 - 95% vs 5 - 95%). Only the Yealink-SIP-T77U has touchscreen. Only the Yealink-SIP-T77U has Ethernet LAN.

Handset type
- Yealink-SIP-T77U:Wired & Wireless handset
- W57R IP phone Black 2 lines TFT:Wireless handset
Phonebook capacity
- Yealink-SIP-T77U:1000 entries
- W57R IP phone Black 2 lines TFT:100 entries
Display
- Yealink-SIP-T77U:LCD
- W57R IP phone Black 2 lines TFT:TFT
Display diagonal
- Yealink-SIP-T77U:17.8 cm (7")
- W57R IP phone Black 2 lines TFT:4.57 cm (1.8")
Display resolution
- Yealink-SIP-T77U:800 x 480 pixels
- W57R IP phone Black 2 lines TFT:128 x 160 pixels
Touchscreen
- Yealink-SIP-T77U:Yes
- W57R IP phone Black 2 lines TFT:No
Ethernet LAN
- Yealink-SIP-T77U:Yes
- W57R IP phone Black 2 lines TFT:No
Headset connectivity
- Yealink-SIP-T77U:RJ-9
- W57R IP phone Black 2 lines TFT:3.5 mm

Side by side

Differences highlightedShow differences only

Comparison of T77U, W57R
96 specifications	A Yealink Yealink-SIP-T77U Model T77U View product	B Yealink W57R IP phone Black 2 lines TFT Model W57R View product
Design1 differ
Product type	IP Phone	IP Phone
Handset typeDiffers	Wired & Wireless handset	Wireless handset
Product colour	Black	Black
Backlight keypad	Yes	Yes
Mounting	Desk	Desk
Device lockKnown for one	Unknown — not stated by the source	Yes
Protection featuresKnown for one	Unknown — not stated by the source	Drop proof, Dust resistant, Scratch resistant, Shock resistant, Spill resistant, Splash proof
Phone features1 differ
Answering machine	Yes	Yes
Anonymous call	Yes	Yes
Call forwarding	Yes	Yes
Call history	Yes	Yes
Call hold	Yes	Yes
Call parkKnown for one	Yes	Unknown — not stated by the source
Call pick upKnown for one	Yes	Unknown — not stated by the source
Call returnKnown for one	Yes	Unknown — not stated by the source
Call waiting	Yes	Yes
Caller ID	Yes	Yes
Conference call	Yes	Yes
Customizable wallpaperKnown for one	Yes	Unknown — not stated by the source
Emergency call	Yes	Yes
Full duplex	Yes	Yes
Intercom	Yes	Yes
Message-waiting indicator (MWI)Known for one	Yes	Unknown — not stated by the source
Number of VoIP accountsKnown for one	12	Unknown — not stated by the source
Phonebook capacityDiffers	1000 entries	100 entries
Phonebook sharingKnown for one	Yes	Unknown — not stated by the source
Redialing	Yes	Yes
Speed dialling	Yes	Yes
Lines quantityKnown for one	Unknown — not stated by the source	2 lines
Anonymous call rejectionKnown for one	Unknown — not stated by the source	Yes
Direct callKnown for one	Unknown — not stated by the source	Yes
Do not disturb functionKnown for one	Unknown — not stated by the source	Yes
Vibrating alertKnown for one	Unknown — not stated by the source	Yes
Management featuresidentical
Integrated voicemail	Yes	Yes
Volume controlKnown for one	Buttons	Unknown — not stated by the source
Management platformKnown for one	Yealink Device Management Platform	Unknown — not stated by the source
Keypad number of keysKnown for one	Unknown — not stated by the source	25
Display4 differ
DisplayDiffers	LCD	TFT
Display diagonalDiffers	17.8 cm (7")	4.57 cm (1.8")
Display resolutionDiffers	800 x 480 pixels	128 x 160 pixels
TouchscreenDiffers	Yes	No
Backlight displayKnown for one	Yes	Unknown — not stated by the source
Graphical user interface (GUI) languageKnown for one	Unknown — not stated by the source	Multi
Audioidentical
Speakerphone	Yes	Yes
Microphone mute	Yes	Yes
Voice codecsKnown for one	G.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab	Unknown — not stated by the source
Frequency rangeKnown for one	Unknown — not stated by the source	100 - 7000 Hz
Noise reductionKnown for one	Unknown — not stated by the source	Yes
Number of melodiesKnown for one	Unknown — not stated by the source	9
Network1 differ
Ethernet LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ethernet LAN interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	WPA2, WPA3	Unknown — not stated by the source
SyslogKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	No
Ports & interfaces1 differ
Headset connectivityDiffers	RJ-9	3.5 mm
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
USB Type-C ports quantityKnown for one	1	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	2	Unknown — not stated by the source
RJ-9 ports quantityKnown for one	2	Unknown — not stated by the source
Power2 differ
Power over Ethernet (PoE)Differs	Yes	No
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output voltage	5 V	5 V
AC adapter output currentDiffers	2 A	0.6 A
Input frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
Input currentKnown for one	Unknown — not stated by the source	0.2 A
Standby timeKnown for one	Unknown — not stated by the source	575 h
Talk timeKnown for one	Unknown — not stated by the source	40 h
Operational conditions2 differ
Operating relative humidity (H-H)Differs	5 - 95%	10 - 95%
Operating temperature (T-T)Differs	10 - 45 °C	-10 - 50 °C
Storage temperature (T-T)	-30 - 70 °C	-30 - 70 °C
Weight & dimensionsidentical
WidthKnown for one	262.1 mm	Unknown — not stated by the source
DepthKnown for one	167.5 mm	Unknown — not stated by the source
HeightKnown for one	219.2 mm	Unknown — not stated by the source
Package widthKnown for one	285 mm	Unknown — not stated by the source
Package depthKnown for one	253 mm	Unknown — not stated by the source
Package heightKnown for one	104 mm	Unknown — not stated by the source
Handset dimensions (WxDxH)Known for one	Unknown — not stated by the source	51 x 24 x 157 mm
Handset weightKnown for one	Unknown — not stated by the source	183 g
Packaging contentidentical
Mounting kitKnown for one	Yes	Unknown — not stated by the source
Ethernet cableKnown for one	Yes	Unknown — not stated by the source
Handset	Yes	Yes
Number of handles included	1 pc(s)	1 pc(s)
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Base stationKnown for one	Unknown — not stated by the source	Yes
ChargerKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
DECT connectableKnown for one	Unknown — not stated by the source	Yes
Maximum indoor rangeKnown for one	Unknown — not stated by the source	50 m
Maximum outdoor rangeKnown for one	Unknown — not stated by the source	300 m
Enduranceidentical
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP54
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery capacityKnown for one	Unknown — not stated by the source	1460 mAh
Battery voltageKnown for one	Unknown — not stated by the source	3.7 V

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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