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тАО11-12-2009 07:42 PM
тАО11-12-2009 07:42 PM
What protocol does the NBX use
Thank you,
BLP
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тАО11-13-2009 06:41 AM
тАО11-13-2009 06:41 AM
Re: What protocol does the NBX use
UDP ports 2093 2094 2095 and 2096
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тАО11-13-2009 07:48 AM
тАО11-13-2009 07:48 AM
Re: What protocol does the NBX use
If in SIP mode, call signalling to 3com phones is still
prorietary, but to SIP phones it is SIP (of course)
When in SIP mode, voice is always RTP, even to 3com phones.
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тАО11-13-2009 02:57 PM
тАО11-13-2009 02:57 PM
Re: What protocol does the NBX use
Port 1040 TCP is also used, correct?
Doesn't the NBX use multicast to communicate with the phones for download, time update, and conference calling, etc?
In non-SIP mode is the protocol a proprietary version of h.323, or different? Is there anything it's similar to?
BLP
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тАО11-16-2009 07:17 AM
тАО11-16-2009 07:17 AM
Re: What protocol does the NBX use
Yes TCP port as well ...
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тАО11-16-2009 07:18 AM
тАО11-16-2009 07:18 AM
Re: What protocol does the NBX use
NBX uses multicast to download phones, for time updates, conferencing, paging, music on hold/transfer.
The audio in non-SIP mode is called "H3" audio but has absolutely nothing to do with h.323.. totally different.
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тАО02-24-2010 05:34 PM
тАО02-24-2010 05:34 PM
Re: What protocol does the NBX use
My boss tells me that he used to have an NBX 100 that supported sip and the other protocol simultaneously. We have a client with an NBX v3000 and want to do the same thing. Is it doable?
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тАО02-25-2010 06:57 AM
тАО02-25-2010 06:57 AM
Re: What protocol does the NBX use
NBX 100's never supported SIP.. . only 64mb of memory.. just not enough memory to run SIP in those older boxes.
V3000 does support SIP... not sure what you mean when you say "running both protocols at once".. when
you change to SIP mode, some of the real old devices are not supported anymore like the 1102 phones (not
the 2102), some of the older line cards and PRI cards... Check the 6.0 Admin Guide for what is supported and what is not or if you have a specific question post it here
Thanx !
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тАО02-25-2010 09:45 AM
тАО02-25-2010 09:45 AM
Re: What protocol does the NBX use
Thanks for the answer, it was a while back and maybe he meant the "ip on the fly", which I just heard about.
As to what I meant when I said 2 protocols at once, I mean SIP and whatever the native protocol is, about which I am clueless. By now you'll have figured out that I'm not a phone tech, but a router and networking guy. We're trying to get a remote phone working at one of my client's owner's house. I found out that he has an older phone at home and asked him to take a new one that supported IP to the house.
As I mentioned, he has an NBX 3000 running 6.0, and I understand that IP support is built into that rev of software. Although we can't use SIP because he still has a bunch of the old phones in the office where the switch is, we're going to utilize the IP functionality to make the phone at the house work.
Oh, maybe a bit of background would help. He has been running the old phone at his house for some time over a VPN through a Cisco ASA, and experienced a variety of problems, all of which have been resolved except for the occasional one way audio that occurs with some frequency. Current thinking is that this is caused by the router in the office, which is a Cisco without the K9 option, being overloaded trying to keep up with normal demand plus the decrypting chores that the K9 would offload were it there.
We're going to eliminate the asa and the VPN and just use straight IP with QoS to connect to the switch and see if that doesn't help.
Any ideas about resolving this, in case this doesn't work, would be very much appreciated.
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тАО02-25-2010 10:20 AM
тАО02-25-2010 10:20 AM
Re: What protocol does the NBX use
yes, V3000 does support IP mode.. first of all, make sure the NBX is in "standard IP" mode or "IP on the FLy".
IP phones will not work if V3000 is in "ethernet only" mode) You can find this under System Wide Settings/Network Protocol.
It is much easier if you discover the phone on the same subnet first, then take it home. On the Phone put
in the IP address and mask of the NBX and gateway of his home subnet. He should be good to go.
Make sure UDP ports 2093-2096, TCP 1040, &IGMP/DVMRP are all open and enabled across the WAN.
Unless multicast is enabled across the WAN, which it usually is not, he will not be able to do any of the features that require multicasting like conferencing. Also, the time is sent via a multicast so time on his phone will be off.
Hope this helps !