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NEC IP phones with GS728TP Netgear Switch POE
#571514 05/10/14 09:52 AM
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Dear All ,

I have a hospital has SV8100 system with 80 NEC IP Phones and rest the system is analogue , recently we are install new netwrok wired to separation the VOIP network from hospital network , i connected this new network on netgear smart switch with POE(GS728TP)

every switch has from 5- 10 IP phones connected , the POE budget of switch is 192W and the first 8 ports in switch are give POE+

The customer tell me in the different times of day the IP phones logged off and need to reset to work again

I don't know this problem from switch side or SV8100 side


please any help anyone


NEC Business Partner
Certified on SV8100,SV8500,SL1000
Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #571561 05/12/14 03:10 PM
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Is there any help ??


NEC Business Partner
Certified on SV8100,SV8500,SL1000
Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #571564 05/12/14 03:31 PM
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Is it all of the IP phones? or certain ones connected to a certain switch? Not sure what you mean by logged out? Just not connected to the system or do actually have to log the phone back into the system? Could be anything.

Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #571572 05/12/14 04:06 PM
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not all phones but a part of it , logged off mean the phone be working and registered suddenly become logged off on the phone screen


NEC Business Partner
Certified on SV8100,SV8500,SL1000
Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #571698 05/14/14 11:06 AM
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Assuming that this is Ethernet switch related try getting the spanning tree shut off on the ip phone ports. I am guessing that there is a delay for when the port starts sending and the ip phones are timing out.

Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #571788 05/16/14 10:03 AM
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Do you mean i should disable spanning tree in the switches ?

Are there other things from switch side cause the delay in the network ?


NEC Business Partner
Certified on SV8100,SV8500,SL1000
Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #571939 05/20/14 02:06 AM
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Yes, disable Spanning tree, enable PortFast.

D

Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #572765 06/07/14 08:45 PM
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what do you mean in port fast ?


NEC Business Partner
Certified on SV8100,SV8500,SL1000
Re: NEC IP phones with GS728TP Netgear Switch POE
Mohammad Jaffal #572819 06/09/14 02:48 AM
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Typically, when you disable spanning tree, portfast is enabled. I don't know that switch, but many switches operate this way. It's one way or the other.


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