Get Zello for Blackberry version 1.23 from Appworld.
This version supports Zello Alerts. You can pester someone with an Alert until they answer, include a link or a little text if you like.
Thanks to Paweł Masarczyk this version adds Polish language support. Contact email@example.com to add or improve your language.
As always, please rate and review Zello in the store and send feedback to firstname.lastname@example.org.