Transform your smartphone into a mobile extension of your virtual PBX. Make and receive calls worldwide using your landline number for cost-efficient and mobile communication. Access all the features of your Gamma Cloud PBX system directly from your device.
5.10.1518
October 7, 2025
Resolved issue with number parsing and error reports
Crown Centrex is a communication service by Gamma that allows you to use your smartphone as a mobile extension of your virtual PBX. It enables you to make and receive calls worldwide using your landline number.
By allowing you to make and receive calls worldwide with your landline number, Crown Centrex can help you telephone more cost-efficiently and mobile, potentially reducing international call charges.
You can take advantage of all the functions of your PBX system and all the features of Gamma Cloud PBX directly through the Crown Centrex app on your smartphone.
Crown Centrex is currently supported on iPhone and iPod devices. It is rated for ages 4 and up.
The latest version of Crown Centrex is 5.10.1518, and it was last updated on October 7, 2025. Updates typically bring new features and improvements.
No, Crown Centrex does not contain advertisements. It is a free application without any ads.
Crown Centrex was first released on July 26, 2022. It has since received several updates to improve its functionality.
Crown Centrex was developed by Gamma Communications GmbH, a company specializing in communication services.
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