Question of ISR 4431 CPS

[qazzaq201]

Hi Experts, I want to find the maximum CPS that ISR 4431 could sustain, but seems no doc mentioned it. Could anyone tell me how to confirm about it? Thanks in advance!

[Jitender Bhandari · Accepted solution]

Hi

^{Table 9.}     CPU Performance on the 4300 and 4400 Series Unified Communications Routers^*

Cisco ISR Platform	4321	4331	4351	4431	4451
VoIP Performance: Maximum # of Simultaneous Calls (not exceeding 75% platform CPU usage)
Cisco Unified Border Element	100	500	1000	3000	6000
Standalone Unified Communications Router1
No encryption	100	500	1000	3000	6000
SIP TLS with SRTP	100	500	1000	3000	6000
H.323 Signaling in IPsec with SRTP	100	500	1000	3000	6000
H.323 Signaling and media in IPsec	100	500	1000	3000	6000
WAN Edge Gateway2
No encryption	100	500	1000	3000	6000
SIP TLS with SRTP	100	500	1000	3000	6000
H.323 Signaling in IPsec with SRTP	100	500	1000	3000	6000
H.323 Signaling and media in IPsec	100	500	1000	3000	6000
WAN Edge Gateway with Compressed Real-Time Protocol (CRTP)3
No encryption	100	500	1000	3000	6000
SIP TLS with SRTP	100	500	1000	3000	6000
H.323 Signaling in IPsec with SRTP	100	500	1000	3000	6000
H.323 Signaling and media in IPsec	100	500	1000	3000	6000
VoIP Performance: (not exceeding 75-percent CPU)
Maximum Number of Calls per Second	4	8	10	15	40
Software MTP Session Performance	250	600	1000	1500	3000

See below for details

https://www.cisco.com/c/en/us/products/collateral/unified-communications/tdm-gateways/data-sheet-c78-729824.html

(Rate if it helps)

JB