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Class 5 SoftswitchClass 5 Softswitch

“The SVI-C5 is a Carrier Grade Class 5 Softswitch with an in-built Session Border Controller. It offers comprehensive Class 5 features, has approval from major international Operators and includes a white-labelled subscriber web portal.”

VoIP Protocols

SIP RFC 3261 Session Initiate Protocol
  RFC 2976 SIP INFO Method
  RFC 3398 ISUP-SIP Mapping
  RFC 3515 Refer Method
  RFC 3578 Overlap
  RFC 2327 Session Description Protocol
  RFC 3581 An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing
  RFC 3665 Session Initiation Protocol (SIP) Basic Call Flow Examples
  RFC 3666 Public Switched Telephone Network (PSTN) Call Flows
  RFC 3892 Referred-By Mechanism
  RFC 3891 "Replaces" Header
  RFC 3311 Update Method
  RFC 4566 Session Description Protocol
  RFC 5806 Diversion Indication in SIP
  RFC 3398 ISUP to SIP Mapping
  RFC 3326 The Reason Header Field
  RFC 2543 Session Initiation Protocol
  RFC 3262 Reliability of Provisional Responses
  draft-levy-sip-diversion
  draft-ietf-sip-privacy
SIP-T RFC 3372 Session Initiation Protocol for Telephones (SIP-T)
SIP-I ITU Q.1912 for ISUP/C7-to-SIP inter working
H.323 ITU Version 2 and 4
  Fast and Slow Start
  Gateway and Gatekeeper interconnect
BICC ITU-T Q.1901 for SIP-BICC interworking

SIP H.323 Performance

Server CPU Pentium 3.0 GHz
Server RAM 2 GB RAM
Server Form Factor PCI
Message Flow SIP-I->SIP H.323->SIP SIP->H.323 SIP<->SIP
BHCA 720,000 1,440,000
Call Attempts per sec 200s 400s
% CPU Usage Avg 25% Avg 80%
Call Completion Rate 99.9998% 99.9998%
Simultaneous Calls Supported 10,000 10,000

Statistics

  Call statistics (Ingress, egress)
  ASR, PDD, ACD, QoS, (native and SNMP)
  CDR analysis

SNMP

  SNMP Version 2

RADIUS

  RFC 2139, 2138
  Cisco VSA compliant