List of the Top 4 Telephony Software for Asterisk in 2025

Dynamics Telephony integrates your phone system seamlessly with Dynamics 365, enhancing communication efficiency and customer management. - Automatically identify customers in Dynamics 365 prior to answering calls. - Access phone controls directly within Dynamics 365 for actions like answering or transferring calls. - Make calls to contacts in Dynamics 365 with just one click. - Keep a complete record of all interactions logged in Dynamics 365. - Merge telephone statistics with CRM data for comprehensive insights in Dynamics 365. - Integrate incoming calls with Omnichannel support for a more cohesive experience. - Utilize call outcome buttons to effortlessly schedule follow-up activities. - Analyze all metrics through customizable dashboards and reports in Dynamics 365. - This integration not only streamlines operations but also enhances the overall customer experience.

The *astTECS IPPBX system serves as the perfect solution for businesses of all sizes, ensuring a comprehensive set of high-end features at a reasonable cost while holding TEC certification from the Government of India. This innovative PBX solution empowers organizations to be adaptable, forward-thinking, and competitive, all while streamlining telecom costs. Additionally, the *astTECS Call Center Dialer stands out as an omnichannel contact center solution, featuring a sophisticated real-time dashboard to monitor agents effectively. With the incorporation of advanced analytics and AI-driven capabilities, this dialer significantly enhances both agent productivity and customer interactions. Furthermore, *astTECS offers a robust call recording solution tailored for your business needs, with an intuitive voice recorder that boasts a range of advanced functionalities. Seamless integration with various PBX systems is a key benefit, as it supports ISDN/PRI, IP, analog lines, and mobile networks, ensuring comprehensive recording of all incoming and outgoing calls. This all-in-one solution not only optimizes communication but also facilitates better decision-making through detailed call insights.

thinQ offers an enhanced solution for powering voice and SMS/MMS messaging applications in the cloud. With our streamlined thinQ io portal and user-friendly APIs, you can get started swiftly and efficiently. We simplify the integration of your 40 top-tier carriers with platforms like Twilio, Nexmo, Plivo, and SignalWire, in addition to enterprise contact centers and telecom VoIP service providers. Our comprehensive APIs enable you to effortlessly manage both inbound and outbound voice calls, text messaging, and various other functionalities within your current technology setup. Additionally, you can connect with current SIP providers to enhance call quality and delivery. The fully integrated thinQ.io Web platform facilitates the purchasing and porting of phone numbers, the creation of route profiles and trunks, and the activation of text messaging, along with other essential features. By incorporating call-specific analytics, SIP ladders, and our award-winning support team, you can discover a superior communication method that helps mitigate issues, reroute around outages, and establish custom routes and blocks tailored to your needs. This level of flexibility and support distinguishes thinQ as a leader in cloud communications.

Kamailio® is a powerful open-source SIP server that emerged from the earlier versions of OpenSER and SER, and is released under GPLv2+, designed to efficiently handle thousands of call setups per second. This versatile platform is ideal for building large-scale VoIP systems, facilitating real-time communication, managing presence, supporting WebRTC, enabling instant messaging, and accommodating numerous other applications. Moreover, Kamailio excels in scaling SIP-to-PSTN gateways, PBX systems, and media servers, such as Asterisk™, FreeSWITCH™, or SEMS, with remarkable ease. Its rich feature set encompasses support for asynchronous protocols like TCP, UDP, and SCTP, ensuring secure communication through TLS for voice, video, and text, in addition to compatibility with WebSockets for WebRTC. The server also fully supports both IPv4 and IPv6, offers straightforward instant messaging and presence functionalities via an integrated XCAP server and MSRP relay, and facilitates asynchronous operations effortlessly. Additionally, it includes IMS extensions for VoLTE, ENUM capabilities, along with features for DID and least cost routing, load balancing, and routing failover to enhance reliability. Kamailio's comprehensive suite of accounting, authentication, and authorization features ensures robust security, while it seamlessly integrates with a variety of backend systems such as MySQL, Postgres, Oracle, Radius, LDAP, Redis, Cassandra, MongoDB, and Memcached. With all these advanced capabilities, Kamailio stands out as a highly adaptable solution for contemporary communication infrastructures, making it a preferred choice among developers and organizations alike.