Frequently Asked Questions

• What is a DID Number?
• Are DIDWW Services Compatible with Asterisk?
• Are there any End User Restrictions for DID Numbers?
• Can a DID be "Linked" to a Standard Telephone Number?
• Can I Buy Additional Channels for my DIDs?
• Can I Call Emergency Numbers using DIDWW Services?
• Can I Change the Forwarding Destination for a DID?
• Can I Forward Calls from a DID to PSTN (a Regular Telephone Number) in any Country in the World?
• Can I Make Outgoing Calls from DIDWW Virtual and Toll-Free Numbers?
• Can I Order Services Online?
• Can I Port my Numbers from Other Providers in to DIDWW?
• Can I Port my Numbers from DIDWW out to Other Providers?
• Can I Select any Number that I want?
• Can I send SMS using DIDWW?
• Can I Use 3rd Party SIP Services?
• Can I use DIDWW Numbers for Callback Services?
• Can I Use DIDWW Numbers for Receiving Faxes?
• Can I Use My DID Number for SMS Services?
• Can I Use the DIDWW Number for Calling Card Services?
• Do I have Access to my Call Records?
• Do I Have to Renew my DIDs Every Month?
• Do I Pay Per-Minute for DID Services?
• Does DIDWW have an API that can be Integrated into Website or Application?
• How Can I Become a Reseller of Local Numbers and Services Provided by DIDWW?
• How Do I Buy a DID?
• How do I Change my Credit Card Information?
• How do I Configure a DID to Forward Calls to a Selected Remote Device?
• How do I Get Support?
• How do I Pay for the Services?
• How Long does it Take to Activate a DID?
• How Many Channels are Included when I Buy a DID?
• How Much does a DID Cost?
• How to Use phone.systems™?
• Is there any Registration or Membership Fee for Using DIDWW Services?
• Is CLI (Caller ID) Supported?
• Is DTMF (Dual Tone Multi Frequency) Supported?
• Is there a Maximum Call Duration per DID?
• Is there a Possibility of Listing More than One Credit Card in a Single DIDWW account?
• What SMPP version is supported?
• What are the differences between Dedicated, Shared and Metered channels/capacity?
• What Communication Protocols are Supported by DIDWW?
• What Currency can be Used to Pay for DIDWW Services?
• What Devices can I Forward Calls to?
• What failover and load balancing methods are available?
• What Happens if my Payment is Declined?
• What is a Channel?
• What is a Trunk?
• What is an SLA?
• What is origin-based pricing?
• What is PSTN (Regular Phone) Forwarding?
• What is the Cost of Additional Channels?
• What is the difference between SMPP ESME and SMPP SMSC?
• What is the Process for Activating Numbers when an End User Registration is Required?
• What methods are available to receive SMS?
• What Payment Methods are Available at DIDWW?
• What Types of Forwarding Options are Supported by DIDWW?
• When Do I Pay the Setup Fee?
• Where is origin-based pricing supported?
• Which Countries and Cities does DIDWW have DID Numbers in?
• Who May Use our DID Services?
• Why is a DID Sometimes Referred to as a Virtual Number or Virtual Private Number?
• Why would I Need Multiple Channels per DID?
• Why would I use a DID Number?