You can open an account on VoIP provider and receive VoIP line. After that you can purchase DID number on DIDWW and start receiving calls.
1. Open an account on CallCentric (http://www.callcentric.com/), you will receive your account details by email.
2. Download the Soft Phone (X-Lite v3.0 for Windows)http://www.xten.com/index.php?menu=download.
3. Install X-Lite (enter all your account details)http://www.callcentric.com/support/device/counterpath/x-lite
4. Register with DIDWW here.
5. Buy DID number on DIDWW site http://www.didww.com/. For instructions see How to Buy DID at DIDWW?
6. Go to the Mapping page and choose the VoIP tab (Figure 1).

Figure 1: Enter Mapping Page and Choose VoIP Mapping
1. Friendly name – Specify name by your choice that you will be able to recognize this mapping easily, choosing the name is important when you have many mappings (Figure 2).

Figure 2: Setting VoIP Mapping (1)
2. VOIP Providers – Choose CallCentric from the list (Figure 3).

Figure 3: Setting VoIP Mapping (2)
3. Account – enter your account at CallCentric (Figure 2).
4. Default mapping– Select this checkbox if you wish that all new DIDs will be assigned to this default mapping (Figure 2).
5. Map all my DID(s) to this mapping - choose this option if you have no other mapping (Figure 2).
6. Press Add to complete the VoIP mapping Completion (Figure 4).

Figure 4: Setting VoIP Mapping (3)
7. Go to My DIDs page (Figure 5).

Figure 5: Go to My DIDs Page
8. Select the checkbox of the DID number (you can select more than one DID number) that you wish to map to your VoIP number (Figure 6).

Figure 6: Select the DID Numbers that you Wish to Map
9. Open the dropdown list of Map selected DID(s) to and choose the mapping that you created, press the Update button to assign the mapping to the DID number selected (Figure 7). Press the Update button to save your selection.

Figure7: Assign the Mapping to the DID Number
KB » Step By Step Guides

VoIP Phone Setup Guide