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Readability
SIP is
expressed in the form of text. Its syntax is easy to
understand and the semantics is close to human natural
language. Hence, as a communication signaling protocol,
SIP is very conducive to communication whether for
development, debugging, or interoperability test.
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Scalability
RFC3261, among which are
documents defined by the IETF, OMA, GSMA and 3GPP
Organizations. And thus various types of business
expand. SIP has no restriction in communication carrier
and can build any SIP protocol structure boasts of
strong scalability. So far, there are hundreds of
extension protocol based on the SIP core of
Protocol.
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Collaboration
SIP can
work together with many other protocols to provide more
powerful business capability. It includes SDP,DHCP,
HTTP、DNS, RADIUS, XCAP, TBCP, MSRP, etc. What’s more, it
can even work with the protocols that you
defined.
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Popular
SIP is getting more and
more popular. Apart from the traditional application of
VoIP, SIP is also adopted as the main protocol in IMS
architecture, the application system of IP domain in 3G
and 4G LTE and the network operator area. SIP protocol
is broadly used by the Internet and IT vendors. Some of
the examples are Microsoft, Apple and AOL.
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Call
Hold
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Consultation Hold
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Music On
Hold
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Transfer
- Unattended (subscribe/notify)
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Transfer
- Attended (subscribe/notify)
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Transfer
- Instant Messaging
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Call
Forwarding Unconditional
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Call
Forwarding - Busy
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Call
Forwarding - No Answer
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3-way
Conference - Third Party is Added
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3-way
Conference - Third Party Joins
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Single
Line Extension
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Fined -
Me
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Call
Management (Incoming Call Screening)
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Call
Management (Outgoing Call Screening)
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Call
Park
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Call
Pickup, two (or more) parts can pick up each other’s
calls
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Automatic Redial
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Click to
Dial
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SIP based Phone (VoIP
Phone, IP Phone, Softphone)
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SIMPLE (Instant Message,
Presence Leveraging)
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OMA Push to Talk over
Cellular
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GSMA RCS/RCS-e
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SIP Server (B2BUA, Proxy,
AS, etc.)
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Implemented by ANSI
C
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Supporting concurrent
upper multi-user
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Supporting multiple
transmission way: UDP / TCP, SSL / TLS
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Handling primitive of SIP
messages based on classification
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Supporting Windows,
VxWorks, Linux, Solaris and other operating systems based on
ZOS
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Thread-safe
mechanism
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Efficient classification
timer management strategy (patent ZL200610161165.2)
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Log Management of
Protocol
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Performance Statistics of
Protocol
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Compliant with IETF
standards, with high completeness.
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Very efficient, with
parser performance 5-9 times higher than that of other like
products or open source software.
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7 years of technology
accumulation, enable our products adaptive to complex
network envrionment, like Softswitch,
IMS, RCS, AS、Proxy, SBC, IP-PBX, Call Center, Gateway,
AG/IAD, SIP Phone, and compatible to other
devices.
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Supporting rich standard
extension, such
as 3GPP
IMS, GSMA RCS/RCS-e, IETF SIPPING and SIMPLE, easy to
maintenance.
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Advisory telephone
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