When different services are running on a network, this can impact the performance of an application that needs more or dedicated bandwidth like VoIP traffic.
For the best quality of service (QoS), prioritization is required for data traffic for applications that are sensitive to network delays, this will improve performance and maintaining QoS so as to eliminate worries about dropped calls, latency or jitters.
VoIP ports that should be enabled on QoS:
For Cloud One SIP Trunk
Application | Port | Port Type |
RTP | 6000-20000 | UDP |
For Cloud One Hosted 3CX PBX
Application | Port | Port type |
SIP | 5060 | UDP/TCP |
Tunneling | 5090 | UDP |
RTP | 9000-10999 | UDP |
For Hosted/Managed on Premis Yeastar PBX
Application | Port | Port Type |
SIP | 5060 | UDP/TCP |
Linkus | 8111 | UDP |
RTP | 10000-12000 | UDP |