Amazon Chime SDK PSTN Audio alternatives

Nearest on its board

1. 12
   SI

   SIP.IOsip.io

   SIP.IO describes itself as an edge-native programmable voice and cloud contact center platform for UCaaS, CCaaS, and Voice AI.

   5.9 APIOpenFree Free tier
   →
2. 14
   4

   46elks46elks.com

   46elks describes itself as a telecom API for applications to send SMS, receive MMS photos, and make automatic phone calls.

   5.3 APIOpenFree From €3/mo
   →
3. 11
   A

   Asteriskasterisk.org

   Asterisk is an open source framework for building communications applications and turns an ordinary computer into a communications server.

   5.9 APIOpenFree Free tier
   →
4. 15
   CA

   CallFire APIdevelopers.callfire.com
   5.0 APIOpenFree From $99/mo
   →
5. 10
   PV

   Plivo Voice APIplivo.com
   5.9 APIOpenFree From $1,000/mo
   →
6. 16
   SI

   sipgate.iosipgate.io
   4.9 APIOpenFree Free tier
   →
7. 9
   DN

   D7 Networksd7networks.com

   D7 Networks provides global business messaging services covering SMS, WhatsApp, Viber, number lookup and two-factor verification.

   5.9 APIOpenFree $0.01 one-time
   →
8. 17
   AC

   Amazon Chime SDK Voice Connectordocs.aws.amazon.com

   Provides SIP trunking service for an existing phone system, connecting it to the PSTN and Amazon Chime SDK meetings.

   4.8 APIOpenFree —
   →
9. 8
   K

   Kamailiokamailio.org

   Kamailio is open source SIP server software for building VoIP and real time communications platforms.

   6.0 APIOpenFree Free tier
   →
10. 18
    D

    drachtiodrachtio.org
    4.8 APIOpenFree Free tier
    →
11. 7
    IV

    Infobip Voice APIinfobip.com
    6.0 APIOpenFree —
    →
12. 19
    F

    Fonosterfonoster.com
    4.8 APIOpenFree Free tier
    →
13. 6
    F

    FreeSWITCHsignalwire.com

    FreeSWITCH is an open-source framework for real-time voice and video that can route calls, bridge video, transcode media, and connect protocols.

    6.2 APIOpenFree Free tier
    →
14. 20
    J

    jambonzjambonz.org
    4.8 APIOpenFree Free tier
    →
15. 5
    TS

    Telnyx SIP Trunkingtelnyx.com

    Telnyx provides carrier-operated SIP trunking for inbound and outbound PSTN calling over the internet.

    6.2 APIOpenFree —
    →
16. 21
    TV

    Telnyx Voice APItelnyx.com
    4.7 APIOpenFree From $500/mo
    →
17. 4
    C

    Callrcallr.com

    Callr provides programmable voice, SMS, call tracking, conversation intelligence and AI voice agents on its own carrier network.

    6.2 APIOpenFree From €599/mo
    →
18. 22
    OV

    Orange Voice APIdeveloper.orange.com

    Voice API lets applications create and manage inbound and outbound calls, orchestrate voice scenarios, connect participants, and access supported media or…

    4.6 APIOpenFree —
    →
19. 3
    AC

    Aculab Cloudaculab.com

    Aculab Cloud provides APIs for voice and video calls, messaging, and inbound and outbound fax.

    6.3 APIOpenFree Free tier
    →
20. 23
    KV

    Kaleyra Voice APItatacommunications.com

    The programmable Voice API lets businesses make, receive, and manage calls through apps and the web.

    4.6 APIOpenFree —
    →