Globalive's WIND Mobile has officially opened its doors in Ottawa, expanding its network to a fourth city. The company is extending a $150 porting credit to encourage Canadians to make the switch.

As well as extending the $150 porting credit, WIND is offering the first month free.

The porting credit was extended following the release of study last week, commissioned by WIND Mobile, that “revealed that WIND Mobile is the top-cited brand for consumers when considering a wireless switch”.

The study, conducted by TNS, revealed that half (49%) of Canadians surveyed have a wireless contract with one year or more remaining. When asked which carrier they were interested in switching to, WIND had the highest score (at 15%), among all mobile users.

Ottawa is the fourth city to offer WIND Mobile's service, following launches in Toronto and Calgary in December of 2009. Service in Vancouver is set to launch in later this spring.