How to change Pnetlab IP address or reset Pnetlab
Login to your Pnetlab console with root and password you have given to root
type the following command
rm -f /opt/ovf/.configured
Now type below command su with dash
su -
it will start fresh configuration of Pnetlab
How to Fix iShare2 Not Working After PNetLab VMware Image 4.2.10 Installation
If you’ve recently installed the PNetLab VMware image version 4.2.10 and are experiencing issues with iShare2 not working, you’re not alone. This is a common problem faced by many users, but fortunately, there’s a straightforward solution. This article will guide you through the necessary steps to resolve the issue and get your iShare2 running smoothly again. this is because of they have change the repository to download images.
Before diving into patching and upgrading, the first step is to ensure that your VMware workstation has a stable internet connection. This is crucial as the patches and updates you’ll need to apply require internet access. Check the network settings in VMware to confirm that the virtual machine is connected to the internet.
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MikroTik routers are known for their reliability and performance, but sometimes things can go wrong, especially during firmware upgrades. If your MikroTik RB750Gr3 router has experienced a failed firmware upgrade, you can use the Netinstall tool to recover it. Netinstall is a Windows utility provided by MikroTik that allows you to reinstall the router’s firmware over the network. Here’s how you can use Netinstall to recover your MikroTik RB750Gr3 router.
ZeroTier is a powerful and easy-to-use VPN solution that allows you to create secure networks and connect devices across the globe. In this guide, we will walk you through the installation process of the ZeroTier VPN client on CentOS 7.
First, you need to install the EPEL (Extra Packages for Enterprise Linux) repository, which contains additional packages for CentOS.
yum install epel-release
How to change SIP Port in Issabel
Securing Your Issabel IP PBX: A Step-by-Step Guide to Changing SIP Ports
Issabel IP PBX systems play a pivotal role in modern business communications, facilitating seamless voice and data integration. To enhance the security of your Issabel IP PBX, one effective measure is to change the default SIP (Session Initiation Protocol) ports. In this guide, we will walk you through the process of changing the SIP port on your Issabel IP PBX for improved protection against potential security threats.
1- Login to Issabel Web interface
go to PBX > PBX Configuration > Setting > Asterisk SIP Setting > Advanced General Settings >Bind Port
How to Change Issabel PBX web interface for Enhanced Security
In today’s digital landscape, ensuring the security of your Issabel PBX is crucial. One effective way to enhance security is by changing the default HTTP and HTTPS ports. This step-by-step guide will walk you through the process, making your Issabel PBX less susceptible to potential threats.
Step 1: Changing the HTTP Default Port
a. Navigate to the HTTP configuration file:
Open the file located at /etc/httpd/conf/httpd.conf using your preferred text editor.
b. Modify the default HTTP port:
Locate the line that reads “Listen 80” and change the port number to any desired port other than 80.
For Example I have changed 8089
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How to configure BSNL SIP Trunk on Asterisk or Issabel
BSNL now provides SIP Trunk with DIDs in genreal they call it SIP PRI and asking you to buy channels as they were selling copper PRI links .Now they are providing same service with fiber optice cables on FTTH connections.
They are giving fiber link as same they are providing FTTH internet services with ONT and providing PRI service through SIP Protocal over the VPN using OPEN VPN or SoftEther .
Depend on your convinent they are asking which VPN service you will use . Here I am using OPENVPN. But before implementing SIP PRI from BSNL as I was thinking it can be use over OPENVPN from any internet network .
but they have played the game that there OPENVPN server can be accessed by only there network they have provided and sip server can be access only over VPN connection .I dont know why they have used OPENVPN if you are using IP based security and SIP authentication and SIP registration . they have just made it complicated if your Applicance does not support OPENVPN then you have to used additional device or router which support OPENVPN.then you can reach there SIP Proxy server.
Now below are the breif steps to configure BSNL SIP trunk
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Effortless Communication: Connecting Grandstream UCM via SIP Trunk for Seamless Internal Extensions Calling
In the realm of unified communication, Grandstream’s UCM series stands out as a reliable and feature-rich solution for businesses seeking seamless connectivity. This article aims to guide you through the process of connecting your Grandstream UCM via SIP trunk, enabling effortless internal extensions calling. Follow these step-by-step instructions to enhance your communication infrastructure and streamline internal collaboration.
Below are the youtube link with detailed stepby step explanation.
Step 1 – Create SIP Trunk on UCM Site A and UCM and Site B
Step 2 – Create Outbound Route to Call another Site UCM extensions
Step 3 – Create Inbound Route to recive calls from another site to local extensions.
Below are the Youtube link they have explained very well.
A Comprehensive Guide to Checking Cisco Router Hardware and License Information
Cisco routers are the backbone of many networks, ensuring that data flows efficiently and securely. To manage and maintain these routers effectively, it’s essential to have a clear understanding of the hardware components and licenses associated with them. In this guide, we will walk you through the steps to check your Cisco router’s hardware and license information.
Knowing the hardware specifications of your Cisco router is crucial for troubleshooting, upgrading, and capacity planning. Here’s how you can check it:
Using a terminal emulator like PuTTY or HyperTerminal, establish a console or SSH connection to your Cisco router.
Log in with the appropriate credentials (username and password) to access the router’s command-line interface.
Now, enter the following command:
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A Step-by-Step Guide to Port Forwarding on MikroTik Router for Vicidial Remote Agents
In today’s remote work landscape, maintaining a seamless connection between your Vicidial call center software and remote agents is crucial. One way to achieve this is by correctly configuring port forwarding on your MikroTik router. This guide will walk you through the process, ensuring your remote agents can access Vicidial without any hiccups.
Port forwarding is essential for enabling external access to specific devices or services within your local network. In the context of Vicidial, it allows remote agents to connect to the call center software securely. Without proper port forwarding, remote access can be challenging or impossible.
Before diving into the configuration, make sure you have the following: