Extras
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Extras
The OnSIP Developer API allows you to increase the functionality of your phone system with extras that easily integrate with apps and services you are already using. Whether you use one of our extras or offer up one of your own, the possibilities are infinite. Explore some of our currently available add-ons and see how they make OnSIP more than just a phone system. Stay tuned for much more to come.
Jump to your desired extra:
Browser click-to-call plugins
Highrise integration
Outlook plugin
Zendesk integration
PhoneTag integration
Click-to-call plugin for addressbook Mac OS
New: Highrise integration
Automatically note every call you make or receive from your Highrise contacts with our Chrome browser plugin.
Learn more >>
