Port; Stun - D-Link DPH-850S User Manual

3.2.4 Port

Tap "Network" ----> "Port", after selecting or modifying the default settings
click "Save" button to save successfully.
Configuration item
Port

3.2.5 Stun

Tap "Network" ----> "Stun", after selecting or modifying the default settings
click "Save" button to save successfully.
Port interface
Meaning
Media initial port(10000-60000):
Set the telephone's media initial port. This port is
distributed to dynamic allocation.
Media port quantial:
Set the maximum number of allocated RTP port, the
default is 200.
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