Why Choose DIDforSale SIP Trunks
for Asterisk

Easy Integration
Our SIP Trunks are fully compatible with Asterisk and integration is extremely easy. You can start off with free trial prior to migration.

Build a fully scalable and flexible system with largest SIP Trunk Provider in nation. There is no minimum & you get flexibility to increase/decrease SIP Trunks.

Highly Trained Team
Need Support or Consultation? Our highly qualified technical team is always available to help you make right decision and make your transition smooth.

Experience First, Purchase Later!

Empower your decision-making with DIDforSale’s SIP Trunk Trial. Take the opportunity to experience the quality and reliability of our SIP trunks firsthand, allowing you to make an informed choice. With us, it’s all about ensuring you’re satisfied before making your purchase, so you can connect with confidence.

Here are some of the FAQ’s regarding our SIP Trunk Test:


  • Do I need to provide payment detail for testing?

    NO payment information is required for free trial.

  • Is there a testing Window

    Yes. Each phone number that you book for testing is reserved for 6 hours.

  • What if my testing is taking longer?

    Not a problem. You can reserve the phone number for test again with out any charge. You can do this until your testing is complete.

  • Do you have setup document for reference?

    YES. You can find step by step direction on https://docs.didforsale.com/sip-trunking/sip-trunking
  • What if I am having issue with testing?

    We understand that complexities can arise. Our highly qualified technical team is here to assist you. Contact them via email at contact-sales@didforsale.com or by phone at (800) 579-7676.

Asterisk & DIDforSale Architecture

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.

Want to check out our complete list of Compatible PBX's?

At DIDforSale, we offer a wide range of SIP trunking solutions tailored to your communication needs. Interested in exploring our full list of compatible PBX systems? Discover the perfect fit for your business communication requirements with our extensive selection.

Check Out PBX’s >>

Advantages of Choosing DIDforSale SIP Trunks

Largest Coverage in Nation

With 13,000+ rate centers we have largest coverage in nation. Choose from local, tollfree & vanity numbers

Flexible Rates

Our flexible SIP Trunk pricing provides you with the most suited plan per your business usage & size.

Reliable Service

With 99.99% up time our network is redundant and aims to provide high quality reliable service.

Frequently Asked Questions

If you have an existing provider and would like to move your Phone Numbers to DIDforSale then do so by submitting a port request through web management portal.
A typical port time can be anywhere between 1-3 weeks depending on your existing provider.
All SIP IP phones, soft phones or mobile applications can be used with Asterisk.
We do provide technical support to configure SIP Trunks with your Asterisk system.
You can create SIP username and password and register your Asterisk with our gateways or you can use IP to IP authentication.

Get In Touch

Ready to Connect? Contact Us Today.