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If a company has any sort of firewall setup at their location they will need to whitelist a few URL's for CallPotential to work. This information can be given to their IT to add to their system firewall:

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*google-content.com


TWILIO WHITELIST

** Anything under US1 and US2 will need to be whitelisted

https://www.twilio.com/docs/video/ip-address-whitelisting

https://www.twilio.com/docs/voice/sdks/network-connectivity-requirements

https://support.twilio.com/hc/en-us/articles/360007130274-Requirements-for-Connecting-to-the-Twilio-REST-API-and-Troubleshooting-Common-Issues


For the Latest IPs: https://www.twilio.com/docs/sip-trunking/ip-addresses

twilio.com (our telco provider)

54.172.60.0/30 which translates to:
    54.172.60.0
    54.172.60.1
    54.172.60.2
    54.172.60.3
    Ports: 5060 (UDP/TCP), 5061 (TLS) 
54.244.51.0/30 which translates to:
    54.244.51.0
    54.244.51.1
    54.244.51.2
    54.244.51.3
    Ports: 5060 (UDP/TCP), 5061 (TLS)

54.172.60.0/23 34.203.250.0/23 Port Range: 10,000 to 20,000 (UDP)
54.244.51.0/24
    Port Range: 10,000 to 20,000 (UDP)


Additional links to whitelist:

https://media.twiliocdn.com/sdk/js/client/v1.9/twilio.min.js
https://media.twiliocdn.com/taskrouter/js/v1.20/taskrouter.min.js


SENDGRID WHITELIST:
sendgrid.com
sendgrid.net
sendgrid.me
sendgrid.info  

Dedicated SendGrid IPs that we have used (so far): 167.89.100.169, 167are: 149.72.141.201, 167.89.100.17, 50.31.63.19, 167.89.61.167, 167.89.47.189, 167.89.61.153, 167.89.51.149110.17


PORT WHITELIST:

Port 9002 (used by the thin client to receive push notifications)
Port 9001 (used by Call Center software)

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