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The table includes the maximum call performance numbers for the listed call flow.
SBC SWe Lite Performance Numbers
Number of vCPUs* | Required Memory | Number of Registrants | Number of Allowed Calls | Number of RTP/SRTP Proxy Calls Only | Number of DSP Calls: Number of RTP/SRTP Proxy Calls (G.711 a/u law RTP/SRTP <==> G.729 A/B/AB RTP/SRTP)
| Max Call Setup Rate (CPS) | Max Number of SIP <-> SIP Session |
---|
1 | 1 GiB (1024 MiB) | 1,000 | 100 | 100 | 50 : 50 | 10 cps | |
2 | 1 (1536 MiB) | | 1,000 | 1,000 | 100 : 900 | | 1,000 |
4 | 2.5 (2560 MiB) | | 1,000 | 1,000 | 300 : 700 | | 1,000 |
* Default configuration is 1 vCPU and 1 GiB RAM. If additional vCPUs are desired, refer to Adding vCPU and Increasing Memory.
Number 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.
Call Capacity Limitation with Additional Logging
Call capacity is limited to calls per second when Info level logging is enabled. Additional logging verbosity reduces the call capacity.
Although the call setup rate is 10 calls per second, if Call Admission Control (CAC) is enabled, calls over the rate limit will be rejected with the message 480 Temporary Not Available.
The SBC SWe Lite supports the following maximum configuration.
SBC SWe Lite Maximum Configuration Values
Feature | Maximum supported |
---|
Number of Groups | |
Cumulative number of channels across all the Signaling Groups | 1,000 |
Call Route Entries (all Call Route Tables combined) | 1,000 |
| 1,024 |
Registrar Table entries | 1000 (1 vCPU) 5000 (2 vCPU and 4 vCPU) |
Registrant Table entries | 600 |
Transformation Table entries | 1,000 |
Media Profiles entries | 20 |
Callback Number Tables | 80 |
Callback Numbers (in Callback Numbers List) | 16 |
SIP Server Table entries | |
IP/FQDN or DNS-SRV entries (within each SIP Server Table entry) | 99 |
The
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supports local call forking for up to eight separate destinations. Additionally, the
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supports up to 20 early dialog responses and 20 calls forked downstream.
Any SIP ↔ SIP call consumes a single SIP session, for the life of the call, within the pool of SIP sessions that have been activated through a license submission..
If multiple calls arrive simultaneously, the
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will service the calls until it reaches a CPU usage threshold (~%).
For details on system concepts and terminology, refer to SBC SWe Lite Performance and Capacity