[cisco-voip] Siemens 100K vs Cisco 7.5K

Jason Aarons (US) jason.aarons at us.didata.com
Fri May 14 08:25:11 EDT 2010


I get nervous having 7,500 phones running on a server from a risk standpoint/maintenance/loads.  I'm happier only having 2-4,000 users complain if it failed over vs 7,000.

Image 100,000 users failing over? Hope it's a PS3 cluster from the Air Force or a 32-core box with 10Gig interface.

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Andrius Kislas
Sent: Friday, May 14, 2010 3:33 AM
To: cisco-voip at puck-nether.net
Subject: [cisco-voip] Siemens 100K vs Cisco 7.5K

Hello,

maybe someone knows a reason why Cisco has a 7500 IP phones limitation
on one server while Siemens HiPath8000 states they can handle 100.000 IP
phones per server? Even more interesting is that Cisco uses lightweight
SCCP while Siemens uses SIP. Both companies use the same industry
standard servers so what might be the reason for such big difference?

Andrius

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