Product comparison · 2 ip phones

AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi vs HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled

22specifications compared
5differ
17identical
56known for one product only

Key differences

Display: LCD on the AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi, LED on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled. Display diagonal: 10.9 cm (4.3") on the AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi, 7.11 cm (2.8") on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled. Security algorithms: HTTPS, SRTP, TLS on the AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi, 802.1x RADIUS, HTTPS on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled. Storage temperature (T-T): -20 - 70 °C on the AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi, -40 - 70 °C on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled.

Display
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:LCD
- OBi VVX 250 4-Line IP Phone and PoE-enabled:LED
Display diagonal
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:10.9 cm (4.3")
- OBi VVX 250 4-Line IP Phone and PoE-enabled:7.11 cm (2.8")
Security algorithms
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:HTTPS, SRTP, TLS
- OBi VVX 250 4-Line IP Phone and PoE-enabled:802.1x RADIUS, HTTPS
Storage temperature (T-T)
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:-20 - 70 °C
- OBi VVX 250 4-Line IP Phone and PoE-enabled:-40 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of C436HD, OBi VVX 250 4-Line IP Phone and PoE-enabled
78 specifications	A AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi Model C436HD View product	B HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled View product
Designidentical
Product type	IP Phone	IP Phone
Handset type	Wired handset	Wired handset
Product colour	Black	Black
Wall mountableKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Operating system installedKnown for one	Android	Unknown — not stated by the source
Operating system versionKnown for one	12	Unknown — not stated by the source
Dual-Tone Multi-Frequency (DTMF) modesKnown for one	SIP info	Unknown — not stated by the source
Phone featuresidentical
Answering machineKnown for one	Yes	Unknown — not stated by the source
Call hold	Yes	Yes
Call transfer	Yes	Yes
Caller IDKnown for one	Yes	Unknown — not stated by the source
Full duplexKnown for one	Yes	Unknown — not stated by the source
Message-waiting indicator (MWI)Known 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	4 lines
Call forwardingKnown for one	Unknown — not stated by the source	Yes
Call waitingKnown for one	Unknown — not stated by the source	Yes
Conference callKnown for one	Unknown — not stated by the source	Yes
Distinctive ringKnown for one	Unknown — not stated by the source	Yes
Do not disturb functionKnown for one	Unknown — not stated by the source	Yes
Management featuresidentical
Integrated voicemailKnown for one	Yes	Unknown — not stated by the source
Volume controlKnown for one	Buttons	Unknown — not stated by the source
Display2 differ
DisplayDiffers	LCD	LED
Display diagonalDiffers	10.9 cm (4.3")	7.11 cm (2.8")
Display resolutionKnown for one	Unknown — not stated by the source	320 x 240 pixels
TouchscreenKnown for one	Unknown — not stated by the source	No
Audio1 differ
Speakerphone	Yes	Yes
Microphone muteKnown for one	Yes	Unknown — not stated by the source
Adaptive jitter buffersKnown for one	Yes	Unknown — not stated by the source
Comfort noise generation (CNG)	Yes	Yes
Echo cancellationKnown for one	Yes	Unknown — not stated by the source
Packet loss concealment (PLC)Known for one	Yes	Unknown — not stated by the source
Voice activity detection	Yes	Yes
Voice codecsDiffers	G.711, G.722, G.729, Silk	G.711, G.722, G.722.1, G.729ab, OPUS, iLBC
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet	Gigabit Ethernet
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3af	Unknown — not stated by the source
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Security algorithmsDiffers	HTTPS, SRTP, TLS	802.1x RADIUS, HTTPS
Supported network protocolsKnown for one	UDP/TCP, NTP, DNS/SRV	Unknown — not stated by the source
SyslogKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	2	2
WAN connection typeKnown for one	RJ-45	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Certificatesidentical
Certified for Microsoft TeamsKnown for one	Yes	Unknown — not stated by the source
Compliance certificatesKnown for one	TAA	Unknown — not stated by the source
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
SafetyKnown for one	Unknown — not stated by the source	UL 60950-1/62368-1, CE Mark, CAN/CSA C22.2 No 60950-1/62368-1-1, EN 60950-1/62368-1, IEC 60950-1/62368-1, AS/NZS 60950-1
CertificationKnown for one	Unknown — not stated by the source	FCC Part 15 (CFR 47) Class B ICES-003 Class B EN55032 Class B CISPR32 Class B VCCI Class B EN55024 EN61000-3-2; EN61000-3-3 NZ Telepermit Korea KCC3 UAE TRA Russia CU3 Brazil ANATEL3 Australia RCM South Africa ICASA3 Saudi Arabia CITC China CCC3 RoHS Complian TAA
Poweridentical
Power over Ethernet (PoE)	Yes	Yes
AC adapter output voltageKnown for one	Unknown — not stated by the source	5 V
AC adapter output currentKnown for one	Unknown — not stated by the source	3 A
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)Differs	-20 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensionsidentical
WidthKnown for one	249 mm	Unknown — not stated by the source
DepthKnown for one	132 mm	Unknown — not stated by the source
HeightKnown for one	189.2 mm	Unknown — not stated by the source
WeightKnown for one	934 g	Unknown — not stated by the source
Package widthKnown for one	316 mm	Unknown — not stated by the source
Package depthKnown for one	255 mm	Unknown — not stated by the source
Package heightKnown for one	95 mm	Unknown — not stated by the source
Package weightKnown for one	940 g	Unknown — not stated by the source
Packaging contentidentical
Mounting kitKnown for one	Yes	Unknown — not stated by the source
Ethernet cableKnown for one	Yes	Unknown — not stated by the source
HandsetKnown for one	Yes	Unknown — not stated by the source
Headset includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Number of handles included	1 pc(s)	1 pc(s)
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Warranty periodKnown for one	Unknown — not stated by the source	1 year(s)

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.

More ip phone comparisons

All ip phone comparisons