Archived from groups: comp.dcom.voice-over-ip (More info?)
CallManager controls the softswitch.
The softswitch takes PSTN and converts it into IP packets. Provides
dial-tone in the VoIP world.
The Call Manager provides you with features. There are too many to
mention. Examples would be digit translation, three-way-calling, hold,
forwarding, music on hold, etc...
"ramialhasan" <ramialhasan@gmail.com> wrote in message
news:cbrmco$fug@odah37.prod.google.com...
> What is the difference between Callmanager and softswitch (as Cisco
> BTS)?
>
> Thanks a lot,
> Rami
>
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