6.
Fail to response to inbound calls from LAN phone or VoIP gateway.
a)
Please check with the caller if the VoIP equipment is H.323 / SIP 2.0
compliant.
b)
Please enter “General” in Menu to check if the Auto-Send Video is disabled.
If not, please disable it.
7.
The remote site receives images but no sound from the local site.
Please confirm if the audio mute function is on.
8.
Voice is unclear or discontinuous.
Please set the speaker volume to normal degree. If the speaker volume is too low
or too high, the echo cancellation mechanism could be overloading and thus
damage sound quality.
9.
How to use the Video Phone if you don’t have a static IP address?
a)
If you have MIS staff, please turn to them for assistance.
b)
Please make sure if the router you use supports DMZ. Please contact the
router manufacturer for setting problems.
c)
Please reboot the router after finishing DMZ setting.
d)
Please ping your IP address. If you fail to locate the IP address, there must
be some errors in the router setting. Please go through the router setting and
correct the errors.
e)
Machine configuration:
Network H.323
(ICF-1501)
Network Mode: manual
User IP Address: DMZ IP
Router IP Address: Your static IP
address for Gateway (If you don’t know,
please use the commend “ipconfig” in
your computer to check it.)
Detect NAT RIP: enable
Network SIP 2.0 (ICF-1550)
Network Mode: manual
User IP Address: DMZ IP
Router IP Address: Your static IP address for Gateway (If you don’t know,
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