Author Archives: Gkhan

Peer cert cannot be verified or peer cert invalid

Posted on February 12, 2022 by Gkhan

Peer cert cannot be verified or peer cert invalid while using yum If you are getting above error then perform the following to resolve the yum error. 1- check and correct the date and time of the server. 2- Check … Continue reading →

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How to access data after booting with Sysrcd rescue system

Posted on February 12, 2022 by Gkhan

How to access data after booting with Sysrcd rescue system If you have servers in cloud or rented server on data center . some time its currepted or you need to get databack or edit and currect files. you are … Continue reading →

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Jio SIP Trunk Plan and Tarrif

Posted on February 10, 2022 by Gkhan

Jio SIP Trunk is an IP-based voice service that allows you to make and receive calls through an IP PBX on a single channel with a scale from 10 to 5000 simultaneous calls. Jio SIP Trunk allows you to assign … Continue reading →

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How to configure Jio SIP Trunk on Grandstream UCM 6301

Posted on February 9, 2022 by Gkhan

How to configure Jio SIP Trunk on Grandstream UCM 6301   Jio  TATA Airtel are providing SIP trunk  or SIP PRI as per  sales person.  Jio is providing SIP PRI on Fiber . They are installing fiber connection on your … Continue reading →

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Vicidial ISO Download old version

Posted on February 9, 2022 by Gkhan

VICIbox Server is the official installation CD for the VICIDIAL Call Center Suite. It is based off of OpenSuSE server, and will properly install the VICIDIAL Call Center Suite with relative ease.

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How to convert SCCP to SIP Cisco Phone 7975G

Posted on December 19, 2021 by Gkhan

How to convert SCCP to SIP Cisco Phone 7975G If you have a phone Cisco Phone 7975G working with SCCP with Cisco Callmanager and now you want to configure this phone with Asterisk PBX with SIP Protocol.       … Continue reading →

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Loop detected in monitoring script. Issue with Asterisk? Restarting

Posted on December 9, 2021 by Gkhan

Loop detected in monitoring script. Issue with Asterisk? Restarting! error are coming again and again on my fresh installed freepbx. I was getting above message again and again . see on picture below             I … Continue reading →

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How to reset issabel admin password

Posted on August 30, 2021 by Gkhan

How to reset issabel admin password If you forgot the Issabel Admin password and you are not able to login . You can reset the password using SSH access . 1- Login to Issabel  using root 2- run the below … Continue reading →

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How to secure Vicidial on Public IP

Posted on July 11, 2021 by Gkhan

How to secure Vicidial on Public IP. Vicidial has given  many security options to secure your server as below • White List (ViciWhite)– Blocks all access except for IPs specifically defined in a ViciDial IP List • Black List (ViciBlack)– … Continue reading →

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How to check folder size on windows

Posted on July 10, 2021 by Gkhan

How to check folder size on windows There are many small utilities are coming to check folder size. I like small portable tools Folder size explorer. Download link:- https://www.mindgems.com/products/Folder-Size/Folder-Size-Download.htm  

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