To "download" or set up this service, you generally need to contact Ooredoo's business division in your specific region to receive technical configuration details (such as IP addresses and server settings) for your PBX.
If you were looking for a mobile app to make calls, you might be looking for the (available on the Apple App Store or Google Play Store), which allows you to manage your SIM and data plans rather than a dedicated "SIP download". Ooredoo SIP Trunk | 3CX Forums Download Ooredoo sip
: Offers SIP-T Business Telephony which can be scaled instantly to fit business needs. To "download" or set up this service, you