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Port need to open in firewall for SV9300

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hcmbmt

Technical User
Jan 15, 2008
132
VN
For the security, the SV9300 and the IP phones DT800 are in difference VLAN. There is a firewall between them. We can ping SV9300 from IP phone network but IP phones cannot register to SIP server. The error shows that "SIP Server not found".
So, which ports must we open on firewall?
5080 - default port for DT series
10000- 10256 for RTP packets?
 
These are the correct ports.
5080 - default port for DT series
10000- 10256 for RTP packets?
 
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