D-Link DPH-140S Business IP Phone vs Zyxel V250 DECT telephone Caller ID Black, Silver

Comparison of DPH-140S Business IP Phone, V250

47 specifications	A D-Link DPH-140S Business IP PhoneView product	B Zyxel V250 DECT telephone Caller ID Black, Silver Model V250 View product
Phone features1 differ
SpeakerphoneKnown for one	Yes	—Unknown — not stated by the source
Phonebook capacityDiffers	200 entries	100 entries
SMS storage capacityKnown for one	—Unknown — not stated by the source	20
Wallpapers & colour schemesKnown for one	—Unknown — not stated by the source	Yes
Call managementidentical
RedialingKnown for one	Yes	—Unknown — not stated by the source
Conference callKnown for one	Yes	—Unknown — not stated by the source
Explicit call transferKnown for one	Yes	—Unknown — not stated by the source
Caller IDKnown for one	—Unknown — not stated by the source	Yes
Redial list capacityKnown for one	—Unknown — not stated by the source	20
Call list capacity phonebookKnown for one	—Unknown — not stated by the source	30
Management featuresidentical
Navigation keyKnown for one	Yes	—Unknown — not stated by the source
Displayidentical
Display	LCD	LCD
Display diagonalKnown for one	6.35 cm (2.5")	—Unknown — not stated by the source
Display number of coloursKnown for one	—Unknown — not stated by the source	65536 colours
Display resolutionKnown for one	—Unknown — not stated by the source	128 x 128 pixels
Display size (HxV) (imperial)Known for one	—Unknown — not stated by the source	1.5
Ports & interfacesidentical
Wireless connection	No	No
Poweridentical
Power requirementsKnown for one	5V DC	—Unknown — not stated by the source
Battery typeKnown for one	—Unknown — not stated by the source	AAA
Number of batteries supportedKnown for one	—Unknown — not stated by the source	2
Multimediaidentical
Voice codecsKnown for one	G.723.1	—Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	790 g	—Unknown — not stated by the source
Handset dimensions (WxDxH)Known for one	—Unknown — not stated by the source	45 x 20 x 135 mm
Handset weightKnown for one	—Unknown — not stated by the source	100 g
Certificatesidentical
CertificationKnown for one	FCC B, CE B, CB (IEC60950).	—Unknown — not stated by the source
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, ANSI/IEEE 802.3	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-10 - 55 °C	—Unknown — not stated by the source
Other featuresidentical
VoIP protocolsKnown for one	SIP	—Unknown — not stated by the source
Mac compatibility	No	No
Dimensions (WxDxH)Known for one	218 x 167 x 53 mm	—Unknown — not stated by the source
Cabling technologyKnown for one	100BASE-TX, 10BASE-T	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Fast EthernetEthernet	—Unknown — not stated by the source
Networking featuresKnown for one	Ethernet, Fast Ethernet	—Unknown — not stated by the source
Software upgradeableKnown for one	Yes	—Unknown — not stated by the source
Supported network protocolsKnown for one	PPPoE, DHCP, IP	—Unknown — not stated by the source
I/O portsKnown for one	1 x RJ-45 10/100Mbps WAN, 1 x RJ-45 10/100Mbps PC/LAN.	—Unknown — not stated by the source
Frequency rangeKnown for one	—Unknown — not stated by the source	1880 - 1990 MHz
Handset keysKnown for one	—Unknown — not stated by the source	0 - 9, Speaker, R/INT, ON-hook, OFF-hook, 2 x Soft, 4-direction, Confirm
Handset keypad lockingKnown for one	—Unknown — not stated by the source	Yes
Performanceidentical
TypeKnown for one	—Unknown — not stated by the source	DECT telephone
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Black, Silver
Memoryidentical
Pictures download capacityKnown for one	—Unknown — not stated by the source	2
Indicationidentical
Battery capacity indicatorKnown for one	—Unknown — not stated by the source	Yes
Batteryidentical
Battery technologyKnown for one	—Unknown — not stated by the source	Nickel-Metal Hydride (NiMH)
Battery capacityKnown for one	—Unknown — not stated by the source	750 mAh

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.