CVOICE 6.0 S02 L01
Transcript of CVOICE 6.0 S02 L01
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Configuring Voice Ports
Understanding CallTypes
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Local: Does not traverse the WAN or PSTN.
On-net: Occurs between two telephones on the same datanetwork.
Off-net: Occurs when a user dials an access code (such as 9) togain access to the public switched telephone network (PSTN).
PLAR: Automatically connects one telephone to a secondtelephone.
PBX-to-PBX: Originates at one PBX and terminates at another.
Intercluster trunk calls: Occurs when calls are routed by twoseparate Cisco Unified Communications Managers.
On-net-to-off-net: Occurs when calls originate on an internalnetwork and are routed to an external network (usually thePSTN).
Call Types
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Local Calls
IP WAN
555-0188Dial 555-0188PBX
GatewayGateway
Ring!
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On-Net Calls
IP WAN
555-0123
Dial 555-0123PBX
PSTN
Toll Bypass San JoseAustin
GatewayGateway
Ring!
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Off-Net Calls
PSTN
Dial AccessCode 9
Gateway
Ring!
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PLAR Calls
555-0199 Voice PortConfigured toDial:555-0199
PBX
Gateway Gateway
IP WAN
Ring!
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PBX-to-PBX Calls
Toll Bypass
PSTN
Gateway Gateway
555-0150
IP WAN
PBX BPBX A
Ring!!
User Dials 555-0150
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Intercluster Trunk Call
Cisco UnifiedCommunications
ManagerSite A
Cisco UnifiedCommunications
ManagerSite B
IP WAN
IP
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On-Net-to-Off-Net Call
Toll Bypass
PSTN
Gateway
IP WAN
Gateway
1. 2.
3.
WAN is down orcongested.
4.
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Summary
There are seven typical call types in a VoIP network.
A local call is handled entirely by the router and does not travelover an external network.
On-net calls can be routed through one or more voice-enabledrouters, but the calls remain on the same network.
An off-net call occurs when a user dials an access code (such as9) from a telephone that is directly connected to a voice-enabledrouter or PBX to gain access to the PSTN.
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Summary (Cont.)
PLAR calls automatically connect one telephone to a secondtelephone when the first telephone goes off hook.
A PBX-to-PBX call originates at one PBX and terminates at anotherPBX while using the network for voice transport.
Intercluster trunk calls are routed between Cisco UnifiedCommunications Manager clusters using a trunk.
On-net to off-net calls originate on an internal network and arerouted to an external network.
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