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{{DISPLAYTITLE:DNS}}
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|rowspan="2"|This article applies to:
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Domain Name System, more commonly known as DNS, is a hierarchical decentralized naming system connected to the Internet or a private network. It translates domain names to the numerical IP addresses needed for locating and identifying services and devices on the network.
Domain Name System, more commonly known as DNS, is a hierarchical decentralized naming system connected to the Internet or a private network. It translates domain names to the numerical IP addresses needed for locating and identifying services and devices on the network.


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Based upon your system requirements, you can configure one or several DNS groups. Each group having one or several DNS servers sorted by priority.
Based upon your system requirements, you can configure one or several DNS groups. Each group having one or several DNS servers sorted by priority.


A conceptual illustration is provided below:
==== Tmedia ====
A conceptual illustration is provided below:


=== TelcoBridges' DNS Implementation ===
=== TelcoBridges' DNS Implementation ===
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<br>  


['''1'''] For more information please contact [[Support:Contacting TelcoBridges technical support|customer support]].
['''1'''] For more information, please contact [[Support:Contacting TelcoBridges technical support|customer support]].




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! width="200" style="background: rgb(239, 239, 239) none repeat scroll 0% 0%; -moz-background-clip: border; -moz-background-origin: padding; -moz-background-inline-policy: continuous;" | FreeSBC
! width="200" style="background: rgb(239, 239, 239) none repeat scroll 0% 0%; -moz-background-clip: border; -moz-background-origin: padding; -moz-background-inline-policy: continuous;" | Tmedia/Tsig/Tdev
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*[[v3.1: DNS configuration]]
*[[v3.1: DNS configuration]]
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*[[v3.0: DNS configuration]]
*[[v2.10: DNS configuration]]
*[[v2.9: DNS configuration]]
*[[v2.8: DNS configuration]]
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Latest revision as of 10:54, 12 September 2022

This article applies to: Product Version
SBC 3.1

Domain Name System, more commonly known as DNS, is a hierarchical decentralized naming system connected to the Internet or a private network. It translates domain names to the numerical IP addresses needed for locating and identifying services and devices on the network.


TelcoBridges and DNS

Toolpack provides support for DNS and FQDN (fully qualified domain name) for SIP calls. FQDN is used in the signaling or in the media component of a call.

How the DNS is configured differs between each product line.

FreeSBC

Based upon your system requirements, you can configure one or several DNS groups. Each group having one or several DNS servers sorted by priority.


TelcoBridges' DNS Implementation

TelcoBridges' DNS implementation works beside the SIP stack.


Supported DNS RFCs

TelcoBridges supports the following RFCs for DNS:

Specification TMedia SIP stack support Toolpack API Support Media Gateway Application Support
RFC 1035 Domain Names Yes Complete Complete
RFC 2782 DNS SRV Record Yes Complete Complete
RFC 2915 NAPTR DNS Record Yes Complete Complete


[1] For more information, please contact customer support.


Configuration

FreeSBC

References