Content Comparison

*.sharpencx.com 

TCP: 443,8089,8090

App

*.sharpen.cx 

TCP: 443

Supplemental app domain

*.cx.shpn.co 

TCP: 443

CX and VCX

*.sipvbx.com 

UDP: 5060
UDP: 10000-20000

SIP registration and signaling
RTP media

*.fathomvoice.com 

TCP: 80,443,9002
UDP: 10000-20000
UDP: 1024-65535

Provisioning, API, webRTC registration
RTP media (WebRTC server port range)
RTP media (WebRTC client port range)