[Asterisk-Users] Multi phone presentation

[Rich Adamson]

> Does anyone have sample * configuration on how I can get an incoming call
> to ring all SIP phones (small setup, say 4 phones) at the same time.

extensions.conf
[globals]
PHONE1=SIP/3000
PHONE2=SIP/3001 

[inbound-bus]                                         
exten => s,1,Dial(${PHONE1}&${PHONE2},15,t)  ;two phones, add as many as you want.

> 1) I would like to pickup up any phone and the ringing should stop (of course)
> 
> 2) Put on hold and pick up on a different phone set.

Use #700 to park the call, go to second phone and dial the parked exten number.
 
> Do I need special phone features to achieve this? E.g. would the 
> Grandstream 100 do it? 

Don't know since I don't own a Grandstream. But, works fine with 7960's
and Snom 200.