
DAG3000-112S VoIP Gateway User Manual
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Figure 3.7-9 ARP Parameters
3.8
SIP Server
Introduction of SIP Server:
1
)
SIP server is the main component of VoIP network and is responsible for establishing all the
SIP calls. SIP server is also called SIP proxy server or register server. Both IPPBX and softswitch
can act as the role of SIP server.
2
)
Usually, SIP server does not participate in media processing. Under SIP network, media
always use end-to-end negotiating. Simple SIP server is only responsible for the establishment,
maintenance and cleaning of sessions, while relatively-complex SIP server (SIP PBX) not only
provides basic calling and conversational support, but also offers rich services such as Presence,
Find-me and Music On Hold.
3
)
SIP server based on Linux platform, such as: OpenSER
、
sipXecx
,
VoS
,
Mera etc.
4
)
SIP server based on windows platform, such as :mini SipServer
、
Brekeke
,
VoIPswitch etc.
5
)
Carrier-grade soft switch platform, such as Cisco, Huawei, ZTE etc.