Methods

Objects

IP Subnet & Codecs

IP addresses used by our platform.

Summary

    API


    If you are restricting outbound traffic to Internet services, you need to allow connection to CALLR API servers.


    Please whitelist the following subnets:

    • 185.76.20.140/30
    • 185.76.22.140/30
    CALLR API is only available on HTTPS (TCP port 443).

    Technical information:

    • Must support SNI
    • SSL protocols: TLSv1 TLSv1.1 TLSv1.2
    • SSL cyphers: EECDH+ECDSA+AESGCM EECDH+aRSA+AESGCM EECDH+ECDSA+SHA384 EECDH+ECDSA+SHA256 EECDH+aRSA+SHA384 EECDH+aRSA+SHA256 EECDH+aRSA+RC4 EECDH EDH+aRSA RC4

    Webhooks


    If you are restricting inbound traffic to your platform, you need to allow connection from following IP to receive our Webhooks.


    Please whitelist the following subnets:

    • 185.76.20.132/30
    • 185.76.22.132/30
    Source port range: 1024 to 65535

    SIP trunking

     

    SIP: UDP port 5060
    RTP: UDP 10000 to 60000

     

    Europe

     

    SIP Host: eu.sip.callr.com

     

    SIP IP: 185.76.20.162/32, 185.76.22.162/32

     

    RTP: 185.76.20.64/28, 185.76.22.64/28

     

    Asia

     

    SIP Host: asia.sip.callr.com

     

    SIP IP: 52.220.255.72/32

     

    RTP: 13.228.143.51/32, 13.228.143.175/32

     

    USA

     

    SIP Host: us.sip.callr.com

     

    SIP IP: 52.14.84.104/32

     

    RTP: 18.221.24.70/32, 18.220.223.254/32

    Codecs


    We support the following codecs:

    • OPUS
    • G.729
    • G.711A
    • G.711U