[asterisk-users] Reliable wireless SIP phones

[Jaap Winius]

Hi list,

Are there any reliable wireless SIP phones available on the market yet?

Six months ago I went for the Siemens Gigaset 675IP. Although there  
was a bug in the MWI support, unit #1 seemed fine for the first few  
weeks, so I bought #2 and #3. Then the problems started. Of the three  
units, two regularly lock up, which requires the base station to be  
reset, and two do not perform DTMF menu navigation properly (I live in  
the Netherlands). There was a recent firmware update for this model,  
but there may as well not have been. You'd think that a big company  
like Siemens that has been making rock-solid DECT phones (analog and  
ISDN) for years could do better, but apparently not.

Since the firmware seems to be the same, there's no way I'm going to  
upgrade to the 685IP. I was thinking of trying out the Snom M3, but  
according to voip-info.org, that model suffers from similar  
reliability problems.

There is also the possibility of using a Wi-Fi SIP phone instead, but  
I haven't been able to find a positive review of one of these phones  
either, despite the promising concept.

So, what's the most reliable wireless SIP phone these days: an analog  
DECT phone with a Linksys SPA adapter?

Thanks,

Jaap