VoIP Network Requirements

VoIP Network Requirements

Purpose
Application Protocol
Domain / IP Address
Destination Ports
Media
RTP/SRTP
proxy.d14e.io
UDP: 16384 - 32768
 Signaling
 SIP
 proxy.d14e.io
 UDP: 5060
 Signaling Secured
 SIP/TLS
 proxy.d14e.io
 TCP: 5061
 Directory Services
 HTTPS
 *.digitalconcierge.io
 TCP: 443
 Yealink Provisioning
 HTTPS
 dm.yealink.com
 TCP: 443
 Algo Provisioning
 HTTPS
 api.d14e.io
 TCP: 443


In order to maintain high quality phone calls, it is imperative that your network is configuration properly for Voice over IP (VoIP). One setting in particular can be very problematic to VoIP is SIP ALG. It can go by different names depending on the firewall manufacturer. Below is a collection of links for various configuration guides.

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