(1) SIP Trunk, Extension Port Number and NAT Configuration
SIP Extension & SIP Trunk Common
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[PBX Configuration] - [2. Extension] - [7.SIP Extension Property]
[SIP Extension & SIP Trunk Common]
1. Voice(RTP) UDP port No.(Server):
2. SIP Port Number:
3. NAT Traversal:
4. NAT – Fixed Global IP Address:
All other settings can be left at default.
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