CHAPTER 1.
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1.2.2 Interfaces between the VoIP Elements
The OfficeServ 7200 provides a variety of VoIP interfaces below:
VoIP networking
H.323 VoIP gateway
SIP VoIP gateway
SIP server
System SIP User Agent (UA)
IP phones
Standard SIP phones
Wireless LAN phones
The interface interworking standards between the VoIP elements based on the signal
processing are as follows:
Proprietary TCP IPC
SIP UA-to-UA
UA-to-Server
Figure 1.3 Interfaces Between the VoIP Components
LCP
16DLI2
16SLI2
8TRK
PLIM
MP20
WIM
LIM
LIM
8COMBO2
MGI16
ISDN
PRI
WLAN
…..
Mobile Station
(SMT-W5100)
AP (SMT-R2000)
OfficeServ 7200
LAN
PSTN
T1/E1
Expansion
Cabinet
Basic
Cabinet
Branch Office
(OfficeServ 7200)
OfficeServ Feature
- VoIP UMS
- Mail Server
- SIP Server
SIP Phone
…..
Laptop
TEPRIa