>> I have two DID's registered at my SIP.
> At your sip what?
 
provider
 
>> This works nicely, I've created groups for holding the local 
>> extensions, and one of my phones can subscribe to two SIP accounts, 
>> so I can distinguish between if it's one or the other DID (it will 
>> show which SIP account is called in the display).
> Are you talking about a phone registering or subscribing to freeswitch 
> here?
 
FS is subscribing to two accounts at my provider.
I have a couple of phones subscribing to the FS.
Two phones has the ability of several sipaccounts, the last has one SIP subscription.
 
>> Problem is, another one of the phones can only subscribe to one SIP, 
>> and has no display (linksys sipura 901), any idea how to accomplish 
>> that I can distinnguish between the DID's on that one?
> So if I understand you want to make a single line no display phone and 
> send it multiple dids to it and be able to tell what did called?  
> Really, the phone has no way to display this, but you could play a 
> sound when they answer the phone.
 
Ahh, yes that sounds interesting, I thought of something like 'distinctive ringing' the phone seams to support that, but I have no idea how to use that.