Category: SIP Trunking

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A2Billing: Setting up your SIP trunk, the final guide

Last modified: September 16, 2021

A2billing sip trunk settings

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.

1. Login to A2Billing dashboard. 2. If your termination provider requires the ‘Register’ field enter the register line under the existing [general] section –  » Read more: A2Billing: Setting up your SIP trunk, the final guide  »

SIP Trunking explained the easy way

Last modified: January 26, 2021

What is sip trunking and why is the best voip option

What is SIP Trunking and why is it so appealing?

First of all what is SIP?

SIP stands for Session Initiation Protocol. A SIP session is essentially a standard phone call between 2 participants, a multiple party conference call or even a video call.

What is a SIP Trunk?

The term SIP Trunk is in other words a “virtual” (SIP account) phone line as opposed to the traditional analog phone line physical wire. It uses your data circuit to join your phone system to the internet, this service is provided by a SIP Trunking provider also called VoIP provider.

VoIP stands for Voice Over Internet Protocol, which means any voice call transmitted over a data network, in more simple terms phone service over the internet. With this technology one is able to make voice calls using a wireless internet connection instead of a regular phone line through an app installed on the device or by using an IP-PBX installed on a server.

 » Read more: SIP Trunking explained the easy way  »



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