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How virtual phone number and IP-telephony services work

How Virtual Phone Number Service Works

Virtual numbers – what are they? In order to understand why virtual numbers are necessary, we need to first understand how they function.  

In a virtual phone number, all incoming calls are forwarded to other predetermined phone numbers in a certain order. There is no need to buy additional equipment or change SIM cards constantly with its standard set of digits for direct and mobile numbers. If you wish to purchase a reception virtual number from Telnum, you can choose from the following types:  

  • Calls – Both receiving and making calls will be possible. Forwarded calls to another number will be possible. Forwarded calls to SIP are free;
  • You can control both your phone calls and SMS messages with it;
  • With SMS, you can not only send but also receive messages to other cell phones, e-mail addresses, and websites. Your personal cabinet lets you send messages;
  • You can use 2 phone services to make and receive calls;
  • Messages sent via fax can be received in PDF format at your personal email address;
  • You can be reached by telephone at 800 (Toll-free) – it’s free for your clients;
  • Multichannel numbers allow you to receive calls simultaneously.
  • Virtual toll free numbers work similarly to a toll free phone number. During the call, calls can be forwarded to another number or SIP.

How call forwarding works

Calls, faxes, and SMS messages are redirected according to this principle. Your personal cabinet must be configured. Discover call forwarding rules here:

Call forwarding can be set up for the following destinations:

  • Using SIP applications, multimedia content can be transmitted over the Internet. A special program is required for receiving and making calls: Xlite, Zoiper. Online access is required. If you enter “SIP” in the field for redirection, we will create an account for you using your SIP login. Most countries offer free SIP forwarding.
  • We accept landline or mobile numbers from around the world. You must enter your phone number without “+” or “00” at the beginning of it to set up call forwarding to that number. All countries have a charge for call forwarding. We show you how calls are redirected to the phone number on our site.
  • Virtual PBX allWith a virtual PBX system, you can receive an unlimited number of calls from virtual numbers and distribute them within the system, assign desired number of extension numbers and manage all calls and settings online.telephone set, which works via Internet to receive and make calls using SIP protocol.

 With your virtual number, you can forward sms as follows:  

  • Email. A valid email address is required to set this type of forwarding. Email can be forwarded for free.
  • Mobile phone number. To set the forwarding, enter the number without “+” or “00” at the beginning. A fee is charged for forwarding.
  • URL. Forwarding text messages through this method is charged.
  • Email addresses are the only options for fax forwarding. You will not be charged for this service.

Call forwarding for Toll free 800 numbers is paid for all forwarding types.

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