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Snom with POE Switches


pbxuser911
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Does anyone know what setting the Snom phones are looking for when powered up using POE Switch ?

I'm currently using the value of= power inline delay shutdown 20 initial 300 on my cisco 3550 switch but it seems as if the phone doesn't work correctly

what I'm looking for is how long after it gets power is it looking to drop the Ethernet

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Does anyone know what setting the Snom phones are looking for when powered up using POE Switch ?

I'm currently using the value of= power inline delay shutdown 20 initial 300 on my cisco 3550 switch but it seems as if the phone doesn't work correctly

what I'm looking for is how long after it gets power is it looking to drop the Ethernet

 

What symptom are you seeing specifically? You shouldn't have to do any real tweaks to PoE on the switch. I've run a snom 820 on Cisco PoE gear without making any changes.

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on a Cisco 3550, when i first plug it in it powers up but takes a while for the phone to actually connect/register its extension, it starts the countdown process repeating prov.prequest from 20 down to 0, and at about 9th attempt it will register only sometimes, other times it will keep power cycling

 

with polycom phones i dont have the problem, only with all snom phones i have tried

 

its something about when the phone drops the ethernet after receiving power

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on a Cisco 3550, when i first plug it in it powers up but takes a while for the phone to actually connect/register its extension, it starts the countdown process repeating prov.prequest from 20 down to 0, and at about 9th attempt it will register only sometimes, other times it will keep power cycling

 

with polycom phones i dont have the problem, only with all snom phones i have tried

 

its something about when the phone drops the ethernet after receiving power

 

Very strange. You tried using the portfast feature on the switch? Running the most current firmware on the phone?

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