Asterisk SIP Troubleshooting command line

Asterisk SIP Troubleshooting command line .VOIP communication common protocol is SIP .

SIP Troubleshooting is very important in VOIP. Below are some basic command used in SIP Troubleshooting.

sngrip      Capture and Analyse SIP Packets on the Command Line

yum install sngrep
apt-get install sngrep

For more details visit :- https://falkus.co/2018/07/sngrep-capture-and-analyse-sip-packets/

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The ransomware compromised ESXi servers and creates .args files

The ransomware compromised ESXi servers and creates .args files

New ESXiArgs ransomware   attacked on ESXi Servers.

The systems currently targeted would be ESXi hypervisors in version 6.x and prior to 6.7. The compromised ESXi servers  ransomware encrypts .vmxf, .vmx, .vmdk, .vmsd, and .nvram files and creates with the extensions .args on compromised ESXi servers.

Victims have also get ransom notes named “ransom.html” and “How to Restore Your Files.html” on locked systems.

 

more in detail 

How to connect jio SIP Trunk to Analog PBX

How to connect jio SIP Trunk to Analog PBX .

These days there are issues comming with copper lines from which is comming from Telephone exchanges and people want to connect there Analog PBX with Jio SIP trunk or any other SIP trunk provider .but the issue is there are no converter are comming which convert from SIP trunk to Analog lines which can be used in old Analog PBX.

For those people there are simple solution they can use as using FXS gateway  which can give you analog lines to use in your old PBX.

So you can use senario as below

SIP Trunk   —————–>Virtual IP PBX —————–>FXS Gateway ————-> Analog old PBX

 

How to connect SIP Trunk to old PBX with E1 Port

How to connect  SIP Trunk to old PBX with E1 Port or PRI Port.

Thease days Telecom compinies are offering SIP Trunk to the consumers .Now users are having issues with there old model PBX which is having only E1 port  and does not support SIP trunk . or if SIP trunk is supported then licenses price is very high. As I know Jio is providing SIP Trunk with  SIP Trunk to E1 converter as Sangoma VEGA 100G  for the customers who is getting more then 20 channels .

There are many more brands available in the market as Grandstream,  Dinstar easly available in India.

Now the problem with customers who are getting less the 20 channels they are not getting the converter as free. They have to buy  SIP to E1 Converter . which is avalible in many brands.

Then CASQ-L301 SIP PRI Gateway  is the good option  to use any Indian Telecom company SIP trunk to your old PBX  which is having E1 port.

This device gateway will convert the SIP Trunk to E1  or PRI   and E1 to SIP . you can use both ways.

This is having the following features .

  • Support OPEN VPN
  • Support Port Group Management
  • Simple and convenient configuration wia WEB GUI
  • Support all SIP Trunk  (Airtel, JIO, TATA, BSNL, Spectranet etc)
  • Support multiple SIP registration, Anonymous Endpoint registers with this gateway.
  • Codecs support G711A, G711U, G729A, G723, G722, GSM.
  • Available in 1 port E1/T1/PRI .

There are many more features.  for any query whatsApp +918318841546

How to schedule a command on linux

How to schedule a command on linux
You can edit the crontab file to execute the command on scheduled time.
Below are the examples of crontab .
Linux Crontab Format

MIN HOUR DOM MON DOW CMD
Table: Crontab Fields and Allowed Ranges (Linux Crontab Syntax)
Field Description Allowed Value
MIN Minute field 0 to 59
HOUR Hour field 0 to 23
DOM Day of Month 1-31
MON Month field 1-12
DOW Day Of Week 0-6
CMD Command Any command to be executed.

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How to increase maximum upload file size in All-in-One WP Migration

How to increase maximum upload file size in All-in-One WP Migration

While migrating wordpress site to another hosting server you would be facing maximum upload file size limit . which let you stuck in wordpress migration .

to increase the maximum upload size you have to edit the  .htaccess file  under the root folder of your wordpress installation folder .

by default .htaccess file will be hidden to unhide you have to click on setting icon in file manager  right up corner in the Cpanel File manager.

and click on check box  of Show hidden files  as below

Continue reading How to increase maximum upload file size in All-in-One WP Migration

Download custom VMware ESXi for Lenovo Servers

Download custom VMware ESXi for Lenovo Serversvmware lenovo

Updating firmware & device drivers

  1. Go to Lenovo Support Portal.
  2. Under Select a Product Family click on Data Center then select Servers.
  3. In the Select Series drop down box select ThinkSystem.
  4. In the Select Subseries drop down box select the model of your server.
  5. In the Select Machine Type drop down box select the machine type of your server.
  6. On the next page select Drivers & Software from the blue banner.
  7. In the Operating System drop down box select VMWare ESXi 6.7.
  8. This will display a list of the most recent firmware and device drivers for your system.
  9. Follow the Readme.txt file in each download package for installation instructions.

 

device drivers

How to install Issabel on Centos 7

How to install Issabel on Centos 7

If you would like to install Issabel IP PBX on Cloud VPS . then  you have to choose Centos 7 64 bit while ordering VPS.

then run the following commands.

yum update
yum -y install wget
wget -O - http://repo.issabel.org/issabel4-netinstall.sh | bash

 

Source information :- https://forum.issabel.org/d/1145-install-in-a-vps

How to configure Cisco Phone 7975g with Asterisk

How to configure Cisco Phone 7975g with Asterisk

To work with asterisk Cisco Phone 7975g must be upgraded with SCCP to SIP firmware

Follow my old post 

1-  Download SIP Firmware for Cisco Phone 7975g

2- Configure TFTP server and upload SIP firmware

3- Boot Cisco Phone with SIP firmware after upgrade

4- configure SEP_MACaddress.cnf.xml file

5- Reboot the Cisco Phone . Continue reading How to configure Cisco Phone 7975g with Asterisk