OnSIP Mobile app FAQ

How do I get the OnSIP Mobile app? What phones and operating systems are supported?

The OnSIP mobile app is available for free to all OnSIP hosted PBX customers, based in the United States. Users can download the mobile app from the App Store on iOS or Google Play on Android. Currently supported phones include Apple iPhones running iOS 11 or later and phones running Android 6 or later.

To see the current version, click here and select "Need a different version"


How do I log into the OnSIP mobile app?

Log in with your SIP address and password or through . If you do not know your password, you can reset it by visiting and clicking "forgot password". Password reset instructions will be emailed to the email address associated with your SIP address. The reset link is valid for 24 hours. If you do not know your SIP address, please ask the administrator of your OnSIP hosted PBX account.


Can I make an outbound call with the OnSIP app?

Yes, as long as your OnSIP account is funded, you can make calls to the public telephone network. Calls to internal extensions and other SIP addresses are free.


What do I need to make/receive a successful call?

First, open the app on your mobile phone and log in.

Finally, for optimal call quality, you will need sufficient internet bandwidth. The OnSIP app offers real-time communications over the internet or your mobile data and is subject to the same limitations associated with VoIP calling. We recommend provisioning at least 100 kbps of bandwidth per simultaneous audio call on your network. Video calling can require 3 - 20x more.


Can I create a 3-way call using the OnSIP app?

Currently, this feature is only available on the web app in a Firefox browser.


Is Music On Hold (MOH) supported on the OnSIP app?

Currently, MOH is not available using the OnSIP mobile app. Callers placed on hold via the OnSIP web/desktop app, however, can hear hold music. MOH for the mobile app is in development.


My video/audio is laggy/robotic. What can I do?

You may have too many applications and/or resource-intensive applications open. Exiting out of them can drastically improve the OnSIP app's performance. Another possibility is that your internet bandwidth (or your caller/callee's internet connection if they are calling via a web browser) isn’t sufficient to support web calling. We recommend business-grade internet connectivity for optimal call quality.


Native Android Call and OnSIP Mobile?

When making/receiving a call using your native Android Smartphone, this call will first have to be placed on hold before answering your incoming call from the OnSIP Mobile app. If you do not place your native call on hold, they will be able to hear your side of the other call.


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