[Asterisk-Users] 3com NBX phones

[Clif Jones]

I took apart an old broken 3com SIP phone so I could repair it last 
night and examined
the main board.  It is labeled as a NBX motherboard and was manufactured 
by NBX Inc.
I attached it to my Asterisk system and everything worked except for 
MWI.  The 3com
uses a simple text protocol and Asterisk attempts to use XML.  I took 
pictures of the
main board but forgot to bring them in to work.  If anyone wants any 
detailed info on the
unit, let me know in the next couple of days before I re-assemble the 
device.

Clif Jones wrote:

> The IR device is a 3rd-party piece of hardware from Extended System 
> (now owned by
> iFoundry).  The SIP phone looks like all of the other 3com IP phones 
> that I have seen
> and turning it over with the front of the phone facing up the 
> connectors go from left to
> right as follows:
> 1. Handset connector
> 2. IRDA (serial) RJ-45 connector
> 3. PC Ethernet RJ-45 connector
> 4. Wall Ethernet RJ-45 connector
> 5. Power adapter
>
> Maybe this will help in comparing the units.  I have posted my last 
> SIP firmware
> (with appropriate disclaimers) to the list but it is held up in 
> moderator no man's land.
>
> daryl at introspect.net wrote:
>
>>> -----Original Message-----
>>> From: asterisk-users-admin at lists.digium.com 
>>> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Nicolas 
>>> Bougues
>>> Sent: Friday, March 05, 2004 3:17 AM
>>> To: asterisk-users at lists.digium.com
>>> Subject: Re: [Asterisk-Users] 3com NBX phones
>>>
>>>
>>>   
>>
>> [...]
>>  
>>
>>> Note that the hardware is probably not the same as the standard NBX 
>>> phones : my SIP phones did feature an IR sensor to be used by a Palm 
>>> for automated dialing.
>>>   
>>
>>
>> That's actually an option on the better NBX phones...your is probably a
>> 2102-IR or similar, and has been since at least when I did my last NBX
>> rollout about a year and a half ago.  What seems different is that you
>> could flash it at all.  When connecting to an NBX, these phones grab
>> their firmware from the NBX they pin up to.  I suppose there is a
>> flashable area on the phone that is used as a boot loader in NBX mode,
>> and probably to store the whole image when flashed with SIP.
>>
>> Can anyone confirm these are the same phones?  Because I still have
>> boxes of them somewhere too (that seems to be a common thread here).
>> Daryl
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>>  
>>
>