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Archived from groups: comp.dcom.voice-over-ip (More info?)
Nortel,
I was querying the group on Nortel knowledge about nortel voip
solutions. I am from the Voip Carrier market and not from an enterprise
environment so please excuse me if I miss something in my question.
In a voip solution featuring Nortel equipment, Nortel call manager,
Voip phone and a nortel PBX with an ip interface card. Is the call
setup between phone and Call manager straight Sip or does Nortel use
anything proprietary for call setup?
Also in classic setup from a PBX to carrier for offnet calls, is
barrier channel setup coordinated via the call manager(mgcp). I am not
quite understanding call flow.
For example, in a voip softswitch solution in a carrier type cms/call
manager, Sip phones communicate via Sip to the callmanager for call
setup, the Barrier channel setup is done between the media gateway
controller and the cms, I am trying to just understand is their a
difference with Nortel enterprise solution. If anyone has Cisco
enterprise experience could you please respond as well.
-Derek
Nortel,
I was querying the group on Nortel knowledge about nortel voip
solutions. I am from the Voip Carrier market and not from an enterprise
environment so please excuse me if I miss something in my question.
In a voip solution featuring Nortel equipment, Nortel call manager,
Voip phone and a nortel PBX with an ip interface card. Is the call
setup between phone and Call manager straight Sip or does Nortel use
anything proprietary for call setup?
Also in classic setup from a PBX to carrier for offnet calls, is
barrier channel setup coordinated via the call manager(mgcp). I am not
quite understanding call flow.
For example, in a voip softswitch solution in a carrier type cms/call
manager, Sip phones communicate via Sip to the callmanager for call
setup, the Barrier channel setup is done between the media gateway
controller and the cms, I am trying to just understand is their a
difference with Nortel enterprise solution. If anyone has Cisco
enterprise experience could you please respond as well.
-Derek