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Troubleshooting (continued)
9. No video in a call.
Video cables are not plugged in correctly..Ensure.that.your.video.
cables are correctly plugged into the TV. Make sure that the TV is set
for.video.input..Consult.your.TV.manual.for.reference.
Incorrect network speeds. See.Incorrect.Network.Speeds.Section.in.
this.Troubleshooting.Guide.
VideoPhone is not functioning properly behind a firewall..
Place the IP address of the VideoPhone in the DMZ of the firewall.
Consult.your.routers.documentation.or.your.network.administrator.for.
help.on.doing.this.
Port forward the appropriate ports to the VideoPhone. The.
VideoPhone.needs.ports.120.(TCP).and.ports.15328-15333.(TCP.and.
UDP).open.to.function.properly..See.the.section.Using the DVC-1000
with Routers, Gateways or Broadband Modems on.page.43,.or.consult.
your.router's.documentation.or.your.network.administrator.for.help.on.
doing.this.
VideoPhone is not functioning properly behind NAT.
Go.to.Settings>Network>Public IP..Press.Enter.on.the.remote.when.
the.cursor.is.over."Auto.detect.public.IP.address.".If.the.VideoPhone.is.
unable.to.detect.the.public.IP.address,.it.should.be.entered.manually.
using "Use specific IP address." The VideoPhone's public IP address is
given.to.you.by.either.your.ISP.or.network.administrator.
10. Video freezes during a call.
Other party muted their video. If.the.other.party.mutes.their.video.you.
will.not.be.able.to.see.him.or.her.
Network is congested..Give.the.VideoPhone.a.couple.of.minutes.to.try.
to.recover,.or.disconnect.the.call.and.try.again.at.a.later.time.
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