Methods

Objects

Platform specifics

IP addresses and configuration information.

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
    217.69.26.173/32
    195.80.158.29/32
    
    Source port range: 1024 to 65535
    
            

    SIP trunk termination (Outgoing calls)


    For outgoing calls, please use sip.callr.com as the endpoint for your SIP trunk.


    If your system does not supporting round-robin DNS records, please use the following IP addresses:

                185.76.20.162
    185.76.22.162
    
            

    SIP is supported only on UDP port 5060.


    If you are restricting inbound/outbound traffic, you need to allow the following RTP servers:

                
    185.76.20.64/28
    185.76.22.64/28
    
    RTP ports to allow: 10000 to 60000
    
            

    SIP trunk origination (Incoming calls)


    You must allow incoming calls from the following IPs:

                185.76.20.162
    185.76.22.162
    
    Source port: UDP port 5060
    
            

    If you are restricting inbound/outbound traffic, you need to allow the following RTP servers:

                185.76.20.64/28
    185.76.22.64/28
    
    RTP ports to allow: 10000 to 60000
    
            

    Codecs


    We support the following codecs:

                G729
    G711a - PCMA
    G711u - PCMU