You may use any soft phone to make and receive calls when you are traveling. We suggest WengoPhone as it is a simple and easy to use application, 100% compatible with ComCanada's service. You may download WengoPhone here: WengoPhone
These are the settings you will need:
Proxy: sip.comcanada.ca
User: (Usually your phone number)
Pass/Secret: Your ComCanada password.
Step1: Click on "configure a New Profile"
Step2: Select "Other"
Step3: Complete fields with your information
Step4: Click on Connect and you are all set!