SIP Trunking for Asterisk

Use SIP Trunk from DIDforSale with Asterisk to build a scalable and powerful phone system!

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Asterisk is a free and open source platform sponsored by Digium The open source Astersik platform is used by businesses of all sizes in both public and private sector to build communication applications.


SIP Trunks from DIDforsale are fully compatible with Asterisks. DIDforSale provides complete support in configuration of SIP Trunk and Asterisk.

A brief architecture of the big picture will help you understand what role does Asterisk play in your communication application?

Asterisk is also commonly referred to as Asterisk PBX (Private Branch Exchange). However PBX is just one of the many applications that can be built with Asterisk. When using Asterisk PBX the calls sent to you by your phone provider are forwarded to Asterisk PBX. From there the switch determines how to route those calls. In cases where calls are routed to analog phones the adapter is used as a liaison between the switch and the analog phone.

Frequently Asked Questions on How to get started with Asterisk?

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Where can I download Asterisk from?

You can download the latest version of Asterisk by vising the official site for Asterisk at

How many concurrent calls can asterisk support?

There is no correct figure. It depends on what type of application you do with asterisk.

Can we interconnect asterisk with any other sip servers?

Yes, asterisk can be interconnected with any SIP servers. DIDForSale SIP trunk can be connected with asterisk in less that 5 minutes.

Can we use asterisk to connect PSTN network?

Yes you can, but you need to use special hardware for connecting asterisk to pstn network. That being said, with DIDForSale SIP trunking you don’t need any special hardward. We are 100 true VoIP company and provide you 100% VoIP based interconnection with PSTN.

Can I record my calls in asterisk?

Yes , asterisk provide a dialplan application to record your calls.

Can I run asterisk behind NAT?

Yes, asterisk can run behind NAT.

What server configurations are required for Asterisk?

This depends on the type of application you run with Asterisk. Asterisk can run even on a minimal server.

What are the operating systems supported by Asterisk?

Asterisk can be installed in all Linux distributions, FreeBSD, OpenBSD and Macintosh OS X.

Will I get a graphical user interface (GUI) for asterisk to do the configuration?

Asterisk doesn’t have a graphical user interface by default. But there are many third party GUI’s built over asterisk that can be used. Some examples are Free PBX, PBXInFlash, Elastix..

How can I monitor my calls in Asterisk?

There are many third party gui for asterisk or you can use asterisk CLI to monitor all calls and events happening in your server.

What VoIP phones can be used with Asterisk?

All SIP or IAX supported IP phones, soft phones or mobile applications can be used with Asterisk.

If I buy service from DIDForSale, will you help me configure the system?

DIDForSale provide tech support to configure and setup your Asterisk system. We not only help you with the setup, we can also make suggestions based on your recommendations.

DIDforSale provides FREE technical support for their customers!