Choose a reliable third-party softphone from your app store: Zoiper ( Google Play / App Store) Linphone (Open source option) PortSIP or Groundwire (Popular business options)
SIP accounts aren't tied to a physical SIM card in the same way traditional lines are; they can be added or removed virtually. Download mobilis ips sip
You must have an active Mobilis SIP account . These are typically provided to business clients or users subscribed to specific VoIP packages. You will need: Username (often your phone number or a designated ID) Password Domain/Server Address (e.g., sip.mobilis.dz or similar) Configure the App Open your chosen SIP app and go to Settings > Add Account . Enter your Username , Password , and Domain . Choose a reliable third-party softphone from your app