[Sip-implementors] SIP and Call Pickup

[Parolkar, Satish]

Call Pickup enables a user to answer a ringing station of another user in
the pickup group (Centrex Group). 
I was trying to draw up a message flow to help understand how this feature
could be implemented using SIP. 
Can anyone help me understand how Call Pickup could be implemented using
SIP?

Satish Parolkar


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