There is no official application called "Iidoom SIP." This search query typically indicates a mix-up between (the official internet account management app) and SIP Softphones (apps used for making internet phone calls or connecting to smart home intercoms).
Download it for desktop and mobile devices via the official Linphone Download Page . Download Iidoom sip
To download the app (often associated with Algérie Télécom) or configure a custom SIP (Session Initiation Protocol) client , you will need to follow distinct steps depending on what you are trying to accomplish. There is no official application called "Iidoom SIP
An open-source SIP-based app specifically designed to interact with audio/video door entry systems. Linphone Softphone
If you are an Algérie Télécom customer looking to manage your internet subscription, top up your account, or check your balance, this is the app you need.
Could you clarify if you are trying to or configure an internet calling app ? Linphone Softphone