Research Speaker: Chia-Wen Lu Date:1/18/2011 1

Outline SIP Application eXosip Future Work 2

SIP Application (1/2) Voice-over-IP SIP application 3

SIP Application (2/2) SIP in Smart Grid Networks – SIP-Open Communications for Smart Grid Devices (A White Paper by SEIMENS ) 4

eXosip (1/3) SIP Request – Six methods INVITE, ACK, OPTIONS, BYE, CANCEL, REGISTER Register – Log in and register the address with a SIP server – RFC

eXosip (2/3) SIP Event Notification – Several SIP-based applications – The concept of a user being informed of some event – E.g., Presence SubscriberNotifier SUBSCRIBE 200 OK NOTIFY 200 OK NOTIFY 200 OK a b c d e f Current state information Updated state information 6

eXosip (3/3) SUBSCRIBE and NOTIFY RFC 3265( ) Draft RFC 3265bis-02 ( ) – Active Internet-Draft 7

Future Work DMA 2440XP – embedded Linux proting eXosip SUBSCRIBE and NOTIFY sample code Desktop computer – OS:Cent 5.5 – eXosip/SCTP/IPv6 8

schedule 甘梯圖 A 完成 eXosip 範例程式 完成 Jain-SIP 範例程式 B 在 PC 上完成 protocol stack(SIP/SCTP/IPv6) 整合 C 將 protocol stack(SIP/SCTP/IPv6) 移植 到 Embedded Linux 上. In-Building Controller Server SIP

~Thanks for Listening ~ Q & A 10