Resources Overview

OnSIP Resources (available in the Admin Portal) include elements that act as supplements to users, groups, and applications. The most common resources are Phone Numbers and Voicemail Boxes, although there are other types.

To create a new resource, click on the "Create New Resource" link at the top of the "Resources" page. This opens up the New Resource selector. You can click on any resource icon to get more information on what that resource does and what the costs (if any) will be.




Use in attendant menus and announcements as the prerecorded messages to play to callers.

Voice Mailbox

Assign voice mailboxes to users or organizations to catch unanswered calls.

Phone Number

Purchase toll or toll free numbers and assign them directly to your users, groups, or applications for direct access from the PSTN.

External Phone Number

Incorporate any phone number out on the PSTN into your OnSIP Hosted PBX with an external phone number. Use this feature to assign easy-to-remember extensions to frequently called phone numbers. Route calls to a cell phone from an attendant menu or a business hour rule, the choice is up to you.

External SIP Address

OnSIP was built from the ground up as an open SIP platform and, as such, we want you to utilize any outside SIP addresses that you may currently have. Include any address from a third party SIP provider into your OnSIP Hosted PBX.


This option allows you to add a SIP compatible phone to the OnSIP interface. You will also use this resource to configure your users' BLF options.

Music Source

This option allows you to create a new music source if you have enabled Enhanced Music On Hold. You are able to enter your own Name and URL of a hosted music (mpeg) file or stream of your own, or select from a list of several Icecast stations. This option also allows you to preview the file or Icecast station.

Storage Service

Use a Storage Service Provider in conjunction with Call Recording. All recorded calls from your OnSIP account will be saved to and retrieved from these storage service providers.

Recording Rule

These rules let you define when a call should be recorded and where those recordings should be stored.

Call Blocking

This feature lets you automatically block incoming calls from a specific phone number before they can ring your phones. Simply add the phone number(s) into your account using this feature.

Updated October 2019

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