Calling and Contacts

Learn how to add and manage contacts, as well as make one-to-one or conference calls on your Firefox OS phone.

  • Using the Call Log This article explains how to use the call log on your Firefox OS device.
  • Calls and voicemail This article covers making calls, adding new numbers to your contacts and accessing your voicemail on Firefox OS.
  • Add, manage and share contacts Learn how to add, share and manage contacts through the import and exporting features on your Firefox OS phone.
  • Dual SIM cards The dual SIM features on Firefox OS let you hold two phone numbers in one device. This article shows you how to manage two SIM cards on your Firefox OS phone.