AddPac AP-LMR2000 Manual page 10

LMR Service Examples
AP-LMR2000 LMR Gateway
IP-PBX
(x)
(y)
IP Network Participant p
p
PTT Server
SIP
IP Network
LMR Gateway
Radio I/F
(z)
(a) (a) (b) (b)
LMR Network Participant
PTT Participant
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Interconnection LMR systems to IP network Interconnection LMR systems to IP network
through AddPac RoIP solution.
1. The Terminal(x) originate a PTT conference.
2. IP-PBX send invitation message to all participant.
3. The Terminal(x) presses the 'floor button' to talk.
4. The Terminal(x) send a 'floor-request' message.
5. IP-PBX and PTT servers control media-relay.
6. The Terminal(x) releases the 'floor button'.
7. The Terminal(x) send a 'release-request' message.
8. 8 IP-PBX and PTT servers control media-relay. IP PBX and PTT servers control media relay
9. Any LMR Terminal(a~d) presses the 'floor button' to talk.
10. LMR Gateway send a 'floor-request' message.
11. IP-PBX and PTT servers control media-relay.
12 12. The Terminal(a) releases the floor button . The Terminal(a) releases the 'floor button'
13. LMR Gateway send a 'release-request' message.
14. IP-PBX and PTT servers control media-relay.
repeater repeater
(c) (c) (d) (d)
RTP (floor)
RTP(Participant)
Radio(Participant) Radio(Participant)
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