Asterisk

Asterisk 23.5.0 is an open-source communication and telephony platform used to build VoIP servers, PBX systems, call routing solutions, IVR systems, and other real-time communication applications. It provides a powerful command-line interface and configuration-based environment for managing SIP endpoints, extensions, dial plans, calls, and telephony services.

The solution supports common VoIP and PBX workflows including SIP/PJSIP endpoint management, call routing, extensions, dial plans, voicemail, IVR, call monitoring, and RTP-based audio communication. It is suitable for VoIP servers, enterprise PBX deployments, call center environments, and custom telephony applications.

Version: Asterisk 23.5.0

Features of Asterisk:

• Open-source VoIP and PBX communication platform.
• Supports SIP and PJSIP endpoints and VoIP devices.
• CLI-based administration and configuration management.
• Supports call routing, extensions, dial plans, voicemail, and IVR.
• Provides RTP-based real-time voice communication.
• Supports custom telephony applications and integrations.
• Provides call monitoring, channel management, and diagnostic tools.
• Suitable for enterprise PBX, VoIP servers, and call center deployments.

Usage instructions for Asterisk
$ sudo su
$ asterisk -V
$ sudo systemctl status asterisk
$ sudo asterisk -rvvv

Useful Asterisk CLI Commands:
$ core show version
$ core show uptime
$ pjsip show endpoints
$ pjsip show contacts
$ core show channels