Customers need to open which VOS application port to open the server firewall

Tcp port:

Vos login: random port

Web: random port

Specific port can consult technical staff

UDP port:

SIP: 5060 5070 (RC4)

RTP: 10000-39999

If you have an IVR service, you need to open other UDP ports. For details, you can consult the company’s technical staff.

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