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# TISPAN NGN  
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# Network Simulation
#public access
#private access (full or partial)
# public access so far, but very likely private access with next version
# SIP RFC3261's Example  
# SIP Protocol Structure  
# SIP Dialogs & Routing  
# SIP Service Examples  
# SIP Authentication Service  
# ABNF Grammars (SIP, SDP...)  

SIP Service Examples:
06. Transfer (Instant Messaging)

Top Prev Next Start   Reader's guide
01. Call Hold  02. Consultation Hold  03. Music On Hold  04. Transfer: Unattended  05. Transfer: Attended  06. Transfer: Instant Messaging
07. Call Forwarding Unconditional  08. Call Forwarding Busy  09. Call Forwarding No Answer  10. 3-Way Conference: 3rd Party is Added
11. 3-Way Conference: 3rd Party Joins  12. Single Line Extension  13. Find-Me  14. Call Management (Incoming Call Screening)
15. Call Management (Outgoing Call Screening)  16. Call Park  17. Call Pickup  18. Automatic Redial  19. Click to Dial

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Transfer (Instant Messaging)
Top 1) INVITE (A2B) 2) 180 Ringing 3) 200 OK 4) ACK (A2B) 5) MESSAGE (B2C) 6) 200 OK
Prev Next 7) INVITE (C2A Repl:A-B) 8) 200 OK 9) ACK (C2A) 10) BYE (A2B) 11) 200 OK

Last update: November 19, 2009 
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