FAQ

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Asterisk Security Recommendations
There has been  an increase in the number of Asterisk IP PBX's being hacked for the purposes of placing free phone calls via those hacked IP PBX's, ...
Thu, 29 Oct, 2015 at 4:43 PM
SIP Error 500
SIP response 500 "Internal Server Error If you are getting this above error when sending to any seller on TelecomsXChange it's most probabl...
Thu, 3 Dec, 2015 at 8:56 AM
SIP Log View for TCXC Admin
SIP Log Admin Tool designed to help TCXC Support team troubleshoot issues quickly and efficiently. To enhance security of our platform we have made this imp...
Thu, 10 Dec, 2015 at 11:07 PM
How to Unblock Whatsapp Calling, Skype, Viber and more VoIP apps with a VPN
Dear user,  Unlocking the service is a simple process. All you have to do is contact our support team via Skype or Email at the below information...
Mon, 30 May, 2016 at 7:38 AM
SIP (Session Initiation Protocol) Errors - TelecomsXChange
Here is a list of SIP (Session Initiation Protocol) error codes and their descriptions: 1xx (Informational): 100 Trying: The server has received the requ...
Sat, 17 Dec, 2022 at 9:19 AM
How to Setup a Call Center
Setting up a Call Center: A Step-by-Step Guide If you are considering setting up a call center for your business, there are several important steps that yo...
Sat, 29 Apr, 2023 at 8:34 PM
External Firewall setup for use with TelecomsXChange
Putting our origination PBX, or SIP equipment behind external firewall often makes sense to increase security and provide better protection against DDoS att...
Thu, 11 May, 2017 at 2:47 PM
How to convert Bitcoins to VoIP Credits
How to convert Bitcoins to VoIP termination credits ? If you currently own bitcoins and would like to make additional profits on them by converting it t...
Tue, 26 Dec, 2017 at 3:28 PM
Find Valid Phone numbers Anywhere - NOC Tool
We have created a convenient tool for the public to quickly find valid phone numbers from any location in the world. Our team of NOC engineers designed ...
Sat, 17 Dec, 2022 at 11:24 AM
International SIP Trunks for 3CX PBX
Take 3CX PBX To The Next Level ! Introduction In order to make outgoing calls on the Public Switched Telephone Network (PSTN), you will need to con...
Sat, 17 Dec, 2022 at 11:10 AM