CHAPTER 3. SIP Gateway Management
350
© SAMSUNG Electronics Co., Ltd.
Table 28.2 Call via Redirect Server (Continued)
No.
Message
Description
14
200 OK
SIP Gateway 2 sends 200 OK to SIP Gateway 1. 200
OK indicates that a session was formed normally
between SIP Gateway2 and SIP Gateway1. 200 OK
includes the media capability of SIP Gateway2.
15
Connect
Upon receiving 200 Ok, SIP Gateway 1 sends
Connect to PBX A.
16
Connect ACK
SIP Gateway 1 receives Connect ACK from PBX A.
17
ACK
SIP Gateway 2 sends ACK request to SIP Gateway2.
ACK request indicates that SIP Gateway 1 received
200 OK response normally.
18
Connect ACK
SIP Gateway 2 sends Connect ACK from PBX B.
19
Disconnect
If a subscriber hangs up the phone, SIP Gateway 2
receives Disconnect from PBX B.
20
BYE
SIP Gateway 2 sends BYE request to SIP Gateway1.
BYE request indicates the end of a session.
21
Disconnect
Upon receiving BYE, SIP Gateway2 sends
Disconnect to PBX A.
22
Release
Sends a Release in regard to Disconnect.
23
Release
Receives a Release in regard to Disconnect.
24
200 OK
SIP Gateway 1 sends 200 OK to SIP Gateway 2. 200
OK indicates that a session was terminated normally
by BYE request.
25
Release Complete
Receives Release Complete in regard to Release.
26
Release Complete
Sends Release Complete in regard to Release.
Summary of Contents for Ubigate iBG2016
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