A2Billing SIP trunk authentication can be performed via Digest (Username/Password) and via IP authentication. This article explains how to authenticate your SIP trunk in A2Billing using “Digest” Username/Password authentication.
A2Billing Username/Password based SIP authentication
When using username/password authentication on the SIP provider the SIP trunk has to be setup manually in Asterisk. We will give that SIP trunk a name and then use that name, instead of the IP address, in the A2Billing SIP trunk setup screen above.
Here’s an example of setting up A2Billing SIP trunk with Switch2VoIP. Many providers will be similar and provide all the connection details you need to enter. These settings go in the file /etc/asterisk/sip.conf.
Exit Code: This is a short numeric code used to dial out of any country.
Country Code: Are numeric geographical calling codes designed for different countries and dependent territories for telecommunications.
Exit codes and country codes list
Below is your complete guide to call any country in the world. This calling table is organized to help you find the exit codes you need to make long-distance telephone calls to friends, family, and businesses around the globe.
Simply find the country you wish to call. You’ll find instructions on how to call all countries using its country code and exit code, as well as other helpful information like area codes.
Softphone apps for desktop and mobile to setup with your VoIP provider Switch2VoIP, available for business and individuals. Some of these soft-phones provide features such as call recording and three way calling.
Free softphone download links
Zoiper: Free softphone downloads available for Windows and Mac. Also can be installed on mobile versions from the device App Store. Only require a VoIP account to enter the credentials on the settings and make calls. According to the developers it’s for non-commercial use. https://www.zoiper.com/en/voip-softphone/download/current
Xlite: X-lite has been the most popular softphone for call centers and individuals until recently the developers announced the application will come to and end and they will only continue developing the commercial version called Bria. https://www.counterpath.com/x-lite-download/
PhonerLite: PhonerLite is a softphone application for Windows. PhonerLite allows the user to make phone calls from a PC to landline or mobile telephones via IP internet telephony (VoIP,
There are plenty of options to choose from when it comes to contacting clients via telephone in a fast and organized manner, call centers and small business are constantly looking for the best auto dialer system to suit the daily needs of an organization dealing with hundreds of inbound/outbound calls, these PBX softwares not only increase productivity up to 400% but also helps make the work faster and easier for the call center agents.
From softphones for manual calling to the best auto dialer solutions, there are plenty of softwares in the market for making calls from call centers.
The open source solutions remain on the top of the chain because of their versatility and easy customization to achieve all the required telecommunication goals for business of any size.
To create SIP account profiles is very simple compared to the first days of VoIP.
A SIP account opens all possibilities of communications, from audio voice calls to high definition real time video calls from all kind of devices and operative systems like iOS, Android, Mac, Windows, Linux and all kinds of PBX installed on any platform, they all make use of the SIP protocol.
The many benefits that a SIP account offers when configured on a PBX are often free audio calls to internal extensions and free video calls within the same network. However when you make calls outside of your internal network you may pay a per minute fee and the price will depend on the VoIP provider.
Many SIP account providers offer these accounts on a prepaid or pay-as-you-go billing model while other VoIP providers only offers monthly plan packages.
There is no need for month to month VoIP plans when you can have unlimited number of users making calls on your VoIP Account to anywhere in the world and also receive calls on your device simultaneously while only paying for the outbound/inbound calls on a prepaid plan.
What is a SIP account?
In simple terms, a SIP Account is the main key needed to activate your VoIP communications. SIP means Session Initiation Protocol. SIP makes it possible to connect the software solutions also known as SIP devices with the person who will be receiving the calls, in other words connects it to the VoIP provider via SIP Trunking.
Basically a SIP Account is a unique identification credentials (an account number and password) on the internet that you can use on your softphone or PBX.
Simple steps to make a VoIP payment to any SIP account, following these steps and easily add credit balance to your pay-as-you-go VoIP SIP Trunking account. It’s very easy to buy VoIP to make and receive calls on a Softphone or PBX, Vicidial or Goautodial.
Login or Register for a VoIP SIP Trunking account by going to the top menu My Account.
Enter the amount of credits in $ that you would like to credit on this VoIP payment as shown on the picture below.
How do I see a VoIP payment on my billing history?
You can view and print your billing history from the Billing Portal.
Go to My Account on the top menu and login with your username and password.
Click on Billing History to see all the VoIP payments.
The meaning of the SIP acronym is Session Initiation Protocol. SIP is a signaling protocol that allows the Voice Over Internet Protocol (VoIP) by sending a command to the softphone or VoIP phone with the SIP account credentials allowing the “initiation” of the VoIP phone call “session” on the phone device.
SIP is the protocol used to deploy a VoIP call on a particular device. It is used to connect local telephone systems like virtual PBX’s, softphones and mobile apps to the public telephone network to connect users without a traditional telephone line.
Example #1 of the SIP protocol components explained: sip:email@example.com, in this string “sip” is the protocol we are requesting to open the device that will make the call, “bob” is the SIP account username and “184.108.40.206” is the IP of the SIP server or host of the VoIP provider.