Table 6-5 Sip Packet Sequence - NEC Univerge SV9100 Manual
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- Features and specifications (1403 pages) ,
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- System hardware manual (740 pages)
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Table 6-5 SIP Packet Sequence
1,180 Ringing
-> Local RBT
2,180 Ringing + SDP
-> Far side in-band RBT
3,183 Session Progress + SDP
-> Far side in-band RBT
UA (User Agent)
Register
Register + Auth
INVITE
ACK
INVITE + Auth
PRACK
ACK
BYE
SIP Server
401
200 OK
401 or 407
100 Trying
180 Ringing
200 OK
200 OK
RTP
200 OK
If authentication required.
If authentication required.
If 100rel option supported.
Answer
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