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тАО02-18-2009 06:24 PM
тАО02-18-2009 06:24 PM
Time Drift on 2102 Phones
I have several 2102 phones registered to a single NBX 100 system. Phones local to the system are fine but phones that are across a point to point connection will have their clocks drift. If we reboot the phones they pull the correct time but will at some point loose the correct time. Out of at least 10 phones they will all register different times but the date stays the same and is correct. Running R6. Any ideas out there as to why this is happeneing?
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тАО02-19-2009 08:14 AM
тАО02-19-2009 08:14 AM
Re: Time Drift on 2102 Phones
The NBX sends out a multicast message with the time and that is the way that the phones keep their time.
Since the phones are remote, check your router settings and see if multicast is being sent over the router.
Another way to check is to see if that phone can participate in a conference call.. do they get audio?
Conference calls also use multicast.
Hope this helps !!
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тАО02-23-2009 05:27 AM
тАО02-23-2009 05:27 AM
Re: Time Drift on 2102 Phones
As a follow up question does call transfer on the NBX happen to use multicast as well? The primary site occasionaly has isues transfering calls to the remote site.
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тАО02-23-2009 07:54 AM
тАО02-23-2009 07:54 AM
Re: Time Drift on 2102 Phones
No, transfer is all unicast packets..
Try enabling "one button transfer" on the system settings. This means you can hit the transfer, dial the number and then hang up.. the transfer will complete.
without this enabled, the transfer would be aborted.
(you would need to hit transfer, dial number, transfer again, then hangup)
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тАО02-23-2009 08:05 AM
тАО02-23-2009 08:05 AM