Subject: [Sipping] SIP quries

From: "Sathesh Babu Edara" <[email-masked]>
Date: Sun, 27 Jan 2002 14:46:43 +0530

Hi,
    1). We have a board which has four RJ11 pots.We want to establish call using SIP UA over IP network. The board contains both IP as well as SIP UA software.
        a).If some peer wants to call one of the pot, which is connected to telephone on the board, how does the other end send  the specific pot information.
        b). Can we establish call between two RJ11 pots,which are connected to telephone on the same board.
   2).If proxy server is not present and we want to establish call between two UA's, is it mandatory for SIP UA's to register itself?. Please give your comments in YES/NO case.

Thanks,
Sathesh