Curious choices made by Cisco/Tandberg

Marc Blanchet marc.blanchet at
Thu Mar 3 17:44:54 CET 2011

Le 11-03-03 11:38, Hannigan, Martin a écrit :
>>>              ^^^^ ^^ ^^^^^^^^
>>> Yes, that's right, you can have IPv6, but only if you're willing to forego
>>> IPv4. On the one hand, I want to applaud their optimism. But I'm too stunned
>>> by the cluelessness. . .
>> Almost the same at Polycom. Your system can registered either via IPv4
>> or via IPv6.  Exclusive OR!
> I wouldn't be too fast to assume that this is lack of clue. I would guess
> that it's a processor limit = cost. Why would you need to dual stack your
> phone regardless?

- another phone vendor also does either v4 or v6.
- we have helped phone manufacturers and PBX for porting to IPv6.
- the main reason for the exclusive OR was simplicity for end users: as 
plug and play as possible, simpler scenarios (don't need to tackle 
complex IPv4-IPv6 scenarios), given the fact that the typical deployment 
scenario is the phone only talks to the PBX and using a single IP is 
what is needed.
- not related to processor or memory constraints.
- I'm not trying to excuse anyone, because they shall be at the end 
really support dual-stack, but I'm giving some context.

Regards, Marc.

> Best,
> -M<

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