HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply vs Yealink MP45

Key differences

The HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply has 1.8 A more AC adapter output current than the Yealink MP45 (3 A vs 1.2 A). The Yealink MP45 has 5 - 95% more operating relative humidity (H-H) than the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply (10 - 95% vs 5 - 95%). Only the Yealink MP45 has touchscreen. Product colour: Black on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply, Black, Grey on the Yealink MP45. Display diagonal: 7.11 cm (2.8") on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply, 10.2 cm (4") on the Yealink MP45.

• Product colour
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:Black
  • MP45:Black, Grey
• Display diagonal
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:7.11 cm (2.8")
  • MP45:10.2 cm (4")
• Display resolution
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:320 x 240 pixels
  • MP45:480 x 800 pixels
• Touchscreen
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:No
  • MP45:Yes
• AC adapter output current
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:3 A
  • MP45:1.2 A
• Operating relative humidity (H-H)
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:5 - 95%
  • MP45:10 - 95%
• Operating temperature (T-T)
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:0 - 40 °C
  • MP45:-10 - 50 °C