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performance metrics.

Provisioning Capacities

SBC 5400 Performance and Capacity

SpecificationCategorySBC 5400 Platform

SIP/GW Call Set-up

Call set-up rate700 cps
Call latency30ms @ 700cps
Sessions by Signaling Protocols*SIP75,000
Sessions by Codec*G.72975,000
G.711 (20 ms)49,500
RTCP Sessions Scale 1:1 with RTP sessions
RegistrationsInitial register rate with no calls, in registers per second
(Includes initial Register Authentication)		1250
SecurityTLS connections set-up rate
(without mutual authentication)		750
Maximum number of IPSec tunnels2,048 (4,096 IPSec SAs)
IPSEC (IKE) setup rate150
Maximum number of SRTP sessions75,000
Maximum number of registered subscribers on IMS AKA256,000
Subscribers




Over UDP with an interval refresh REGISTER of 1800 sec.600,000
Over UDP/NAT with an interval refresh REGISTER of 30 sec.225,000
Over UDP/NAT with an interval refresh REGISTER of 60 sec.300,000
Over TCP with an interval refresh REGISTER of 300 sec.425,000
Over TLS with an interval refresh REGISTER of 300 sec.375,000

* The session count represents the aggregate number of sessions on one system.

Pass-Through With/Without sRTP

Pass-Through with sRTP

Codec

Packet Size

10 ms

20 ms

40 ms

G.711

30,000

47,60058,100

G.729

40,000

64,00075,000

Pass-Through without sRTP

Codec

Packet Size

10 ms

20 ms

30 ms

40 ms

G.711

37,450

49,50055,65059,150

G.726

49,700

75,00075,00075,000

G.729

67,200

75,00075,00075,000

G.722

37,450

49,70055,65059,150

AMR (12.2k) -BWE

N/A

75,000

N/A

75,000

AMR (12.2k) -OA

N/A

75,000

N/A

75,000

eVRC

N/A

75,000

N/A

75,000

eVRC-B

N/A

75,000

N/A

75,000

G.722.1

N/A

75,000

N/A

75,000

AMR-WB - BWE

N/A

75,000

N/A

75,000

AMR-WB-OA

N/A

75,000

N/A

75,000

iLBC - 20 ms

N/A

75,000

N/A

75,000

iLBC - 30 ms

N/A

N/A

75,000

N/A

G.723.1

N/A

N/A

75,000

N/A


H.323 Performance Metrics

SBC 5400 H.323 Performance Metrics

Specification

CategoryLimit
H.323 Call setup Call setup rate250 cps
Call latency50 ms @ 250 cps
Fast start or tunneled H.245 calls

SIP-H.323 or GW-H.323

30,000
H.323-H.32315,000
Separate H.245 calls (50 ms @ 200 CPS)SIP-H.323 or GW-H.3234,000
 

Maximum Initial (challenged) REGISTER Rate with Background Load

Maximum Initial (challenged) REGISTER Rate with Background Load (SIP calls/second)

 

Initial SIP 
Registration/Sec

Number of 
Subscribers

Interval of Refresh
REGISTER
(seconds)

SIP Calls/Sec

UDP

800225,00030200

1,500

300,00060300

TCP

1,000425,000300300
TLS750375,000300300
 

SIP Session and Registration Capacity Limits

SIP Session and Registration Capacity Limits

 SessionsSIP Calls/SecCall Hold
(seconds)		Refresh REGISTER
Interval (seconds)		Subscribers

Non-TLS Peering

75,000

700

107

 

TLS Peering

74,400

600

124

UDP

72,000

40018030225,000

72,000

50014460300,000

TCP

54,000500108300425,000
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Video Calls Metrics

Video Calls Metrics

Specification
Limit

SIP-SIP conference sessions (media anchored) consisting of five streams: audio, main video, content share video, far end camera control (FECC), and floor control (BFCP)

20,000
SIP-SIP conference sessions with direct media20,000
SIP-SIP conference sessions500 cps
H.323-H.323 video sessions (media anchored) comprising up to two media streams (one audio, one video)4,000
H.323-H.323 video sessions40 cps
 

SUBSCRIBE/NOTIFY Benchmark for SBC 5400 (with ERE)

SUBSCRIBE/NOTIFY benchmarking metrics for

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are provided below.

SUBSCRIBE/NOTIFY Benchmark for SBC 5400 (with ERE)

Scenario

SUBSCRIBE

REGISTER

Calls

SUBSCRIBE /Sec

REGISTRATION/sec

CALLS/Sec

SUBSCRIBE From Unregistered user

1,500,000

 

 

300

 

 

SUBSCRIBE with 50,000 Calls

500,000

 

50,000

300

 

600

SUBSCRIBE with 40,000 calls and 128,000 Registrations (Calls from Registered user)

400,000

128,000

40,000

300

600

600

SUBSCRIBE with 256,000 Registrations (subscribe from registered user)

1,000,000

256,000

 

300

600

 

Dynamic Capacities

The SBC 5400 can support up to 75,000 simultaneous calls.

  • Combination of RTP and RTCP calls.
  • SRTCP and SRTP with 40 ms or larger packets.

The SBC 5400 can be subject to bandwidth limitations that prevent the total call count from reaching 75,000.

Sessions

The following table lists the SBC 5400 session limits:

Sessions

Functionality
SBC 5400
Call recording sessions (NICE/SIPREC)32,000
Lawful Intercept Sessions2048
Media capture tool (MCT) sessions10

NP-based DTMF detection (simultaneous digits)

1,024
NP-based DTMF insertion (simultaneous digits)1,024

 

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