The best replacement for ooma is vonage.

The best alternatives to ooma are rated as following:
★★★★★  vonage
★★★★  nettalk
★★★  magicjack
★★★  obi
★★  magic jack
★★  skype
★★  basic talk
★★  google voice
★  voipo
★  nettalk duo
★  phone power
★  ringcentral
★  magicjack plus
★  obihai
★  magicjack 2014
★  magic jack plus
★  callcentric
  obi110
  fongo
  ooma telo
  obi202
  phonepower
  tk6000
  voip.ms
  freephoneline
  majic jack
  phonegnome

Your alternative for ooma is not listed? Suggest!
Speaking about ooma, one probably shouldn't forget about fax.

Other search terms related to ooma and their ratings are:
★★★★★ fax
★★★★ adt
★★★ multiple phones
★★ two phone numbers
★★ 2 lines
★ google voice
★ alarm system
You have in mind a companion for ooma and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ooma in all years. Click on graph for more.
ooma
vonage
nettalk