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тАО06-02-2009 09:27 AM
тАО06-02-2009 09:27 AM
Remote 3102 phone will not connect to NBX
The remote location is connected via T1 using Cisco 2801 routers. The remote LAN switch is a 3Com 4500-PWR and the local LAN switches are comprised of 3Com 4500-PWR and 3Com 5500-EI switches. The are no Voice VLAN's defined.
-> -> -T1- -> -> ->
-The remote phone was initially defined in the NBX and an extension assigned. It works on the local LAN.
-NBX is configured to use IP-on-the-fly.
-The remote phone has had IP address and NBX IP statically defined.
-The phone boots up and displays the following message:
"Connecting to NCP..."
"NCP IP 10.1.1.10"
Then the phone reboots after a couple minutes.
-A packet capture on the remote LAN and local Cisco router reveals that the phone is sending a UDP packet src port 2093 and dst port 2093, but the NBX is not responding.
-I can ping the remote phone from the local LAN and the NBX from the remote network.
-There is no other network traffic on this link yet
-There are no access control lists on the routers.
This message was edited by drehfeldt on 6-2-09 @ 9:28 AM
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тАО06-02-2009 10:39 AM
тАО06-02-2009 10:39 AM
Re: Remote 3102 phone will not connect to NBX
2093
2094
205
2096
tcp port 1040
And it sounds like you have port 80 access already
On your network routers and allow traffic between the NBX and the tel . If the NBX will not respond then it is not getting the requests . You can trace the NBX side if you like as it will show you if the traffic is actually being recieved by the NBX . Another thing to check is Multicast . Make sure that is set up on the routers as well . we use it for conferencing , paging and time and date on the remote tel .
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тАО06-02-2009 11:47 AM
тАО06-02-2009 11:47 AM
Re: Remote 3102 phone will not connect to NBX
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тАО06-02-2009 11:54 AM
тАО06-02-2009 11:54 AM
Re: Remote 3102 phone will not connect to NBX
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тАО06-12-2009 07:54 AM
тАО06-12-2009 07:54 AM
Re: Remote 3102 phone will not connect to NBX
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тАО06-12-2009 09:20 AM
тАО06-12-2009 09:20 AM
Re: Remote 3102 phone will not connect to NBX
Nice job !
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тАО06-12-2009 07:28 PM
тАО06-12-2009 07:28 PM
Re: Remote 3102 phone will not connect to NBX
Despite the hassle with my bad PCMCIA card, this environment offered several benefits: low cost and risk for testing router configurations, the ability to test a WAN connection without paying for one, the ability to capture all data traffic running over any of the virtual links for analysis, and geek points with the rest of the team.
I hope this helps someone else.
www.gns3.net
This message was edited by drehfeldt on 6-12-09 @ 7:30 PM