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Concurrent Telephone calls with an SX20

Hi All

We have a client that has an SX20 with ISDN link and Multisite loaded.  There are 4 x BRI ISDN lines active and installed.   Does anyone know how many concurrent telephone calls the unit will support.  I know the theory says its 64k per call which should equal 8 calls .... but has anyone tested this before? 

Thanks!                

4 Replies 4

Teck Chye Tang
Cisco Employee
Cisco Employee

Sx20 can support 3 other video calls and 1 addtional audio calls, so you are still limited by that.

interlinkvision
Level 1
Level 1

Have you tried looking at a hosted solution for your client. That may be another viable option.

Sent from Cisco Technical Support iPad App

prarawat
Cisco Employee
Cisco Employee

Hi Chris,

The SX 20 has a capability of 1 video + 1 audio call (if multi-site option is not installed)

If multi-site option is installed, SX20 has capability of 3 video + 1 audio call.

Thanks,

Prashant Rawat

prarawat
Cisco Employee
Cisco Employee

Hi Chris,

You can check the capability of the maximum number of audio and video calls in the xstatus.

Thanks,

Prashant Rawat