Small Business VoIP Over Broadband Network
Very Small Business
BB Modem
IP PBX | Router |
Very Small Business
IP Network | BB Modem |
Router | IP PBX |
VoIP SP Network
Gateway
IP Phones
Gateway
IP Phones
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Customer | PSTN | |
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•The IP PBX System Provides SIP Server (Registrar and Proxy) Functions
•VoIP Service Provider Supports:
–Voice and Services – Phone Numbers, Call Origination & Termination,
–Voice Messaging Services – Voicemail, Unified Messaging, etc.
•Voice and Data Traffic Between Sites is Carried by the IP Network.
•PSTN Carries Overflow Voice Traffic if the VoIP Service is Unreachable via LAN Attached Gateway Appliance (PSTN = Public Switched Telephone Network)
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© 2006 Cisco Systems, Inc. All Rights Reserved. | Linksys/Cisco Proprietary – All Content Subject To Change – Not a Warranty | 4 |
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