Asterisk is Open Source so it is Free. Visit www.asterisk.org
Say Hello to Asterisk and Start Building a Better Business Phone System
Asterisk. Digium's open source communications engine powers voice and video communication solutions worldwide. Discover the power of Asterisk; let us help you choose the right Asterisk solution.
Freedom. Asterisk is freely available under the terms of the GNU GPLv2 license.
Flexibility. Asterisk seamlessly connects with VoIP and legacy communication systems.
Power. Asterisk helps developers quickly and easily create powerful Unified Communications solutions.
Focus. Asterisk handles the low-level details of real-time communications, allowing developers to concentrate on business logic.
Metered SIP Trunking
Works well for businesses that may need more flexibility in their communications week to week.
No set-up fees.
Metered inbound and outbound local and long distance.
Allows more dynamic call volume activity.
Metered extended area and international available.
Channelized SIP Trunking
$22.95Channel of VoIP service
Perfect for businesses that prefer a set, predictable monthly phone bill.
No set-up fees
Unlimited inbound and outbound local and long distance minutes per channel.
Fixed phone bill based on a per channel (or concurrent calls) basis.
Easily add or remove channels as business needs warrant.
Metered extended area and international calls.
Pricing information for Asterisk is supplied by the software provider or retrieved from publicly
accessible pricing materials. Final cost negotiations to purchase Asterisk must be conducted with the
Free Trial is available
User-Reported Pricing Data
Perceived Cost of Asterisk
Based on 828 reviews across 16 products
Reviewers rank Asterisk in the 2nd percentile for cost in the VoIP category