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In this section:

Table of Contents
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SBC SWe Lite Call Performance

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REMOVE BELOW TABLE WHEN NEW DATA IS ENTERED

Maximum number of SIP ↔ SIP sessions

 

The table below includes the maximum call performance numbers for the listed call flow.

Note: To identify the required resource configuration for a given deployment of an SBC SWe Lite refer to Calculating DSP Requirements for SBC SWe Lite.

Caption
0Table
1SBC SWe Lite Performance Numbers

Description

Performance Value

100 Sessions (SIP signaling setup rate)

10 cps

100 
Maximum number of transcode sessions (media services mode). See Media Services.25

Maximum number of RTP ↔ RTP media sessions (any combination of direct media, RTP proxy, or media services mode)

100 

Call Setup – Maximum call setup rate

10 cps 

Registrations – Maximum number of registered users

1,000 

Encryption – Maximum number of RTP ↔ SRTP sessions (media services mode). See Media Services.

25
Local Proxy Calls
(RTP <-> SRTP)
(regardless of the presence of DSP calls)DSP Calls
(G.711 a/u law RTP/SRTP  G.729 A/B/AB RTP/SRTP)
(including in-band signaling) Transcode Sessions
(media services mode)
Number of vCPUs*RAMRegistered Users

Pass Through Proxy Calls

(RTP <-> RTP or
SRTP <-> SRTP)

RAM Number of RegistrantsTotal Number of Allowed Calls

Maximum Number of DSP Calls**

Max Call Setup Rate (CPS)Max Number of Max Number of SIP <-> SIP Session
1*1 GBGiB1,0001001005010 cps501,000
22 GBGiB51,0001,000700100?10 cps400
1,000
44 GBGiB5,0001,000700300?10 cps
4001,000

 

 

Default configuration is 1 vCPU and 1 GiB RAM. If additional CPUs are desired, edit the settings in the V and reboot. See Installing SBC SWe Literefer to Adding vCPU and Increasing Memory.

** In addition to DSP calls, the SWe Lite supports RTP/SRTP Proxy and/or Direct Calls up to the Total Number of Allowed Calls specified for deployment.

Note
titleNumber of RTP Port Pairs must be increased above maximum call capacity

The number of RTP Port Pairs must be configured slightly larger than the actual number of ports required to support the projected number of calls. We recommend you over-allocate the number of port pairs by approximately 25 - 30% above the number of calls you want to support. For details, see Configuring the Media System.

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Caption
0Table
1SBC SWe Lite Maximum Configuration Values

 

Feature

Maximum supported

 

Number of Signaling Groups

1001,000

Cumulative number of channels across all the Signaling Groups

600

Call Route Entries (all Call Route Tables combined)

1,000

Static Routes1,024

Registrar Table entries

600

Registrant Table entries

600

Transformation Table entries

1,000

Media Profiles entries

20

Callback Number Tables80
Callback Numbers (in Callback Numbers List)16
SIP Server Table entries500
IP/FQDN or DNS-SRV entries (within each SIP Server Table entry)99

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  • When the threshold is reached the 
    Spacevars
    0series3
    will reject calls until it reaches a "safe" level (~60% CPU usage).
  • When the "safe" level is reached, the
    Spacevars
    0series3
     will begin accepting new calls.

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  • .

Media Services:

  • Supported codecs (including for transcode operations): G.711, G.722, G.722.2 (AMR-WB), G.723.1 (5.3 kbps, 6.3 kbps), G.726 (32 kbps), G.729A/B (8 kbps)
  • DTMF/RFC4733; Inband DTMF; SIP INFO/RFC-2833
  • Voice Activity Detection (VAD)

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