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VoIP Migration from BroadConnect Telecom. For more details visit us: http://www.broadconnectusa.com/services/hosted-pbx-2/ip-telephony-migration

http://www.broadconnectusa.com/services/hosted-pbx-2/ip-telephony-migration/

Polycom SoundStation Duo (2200-19000-001) Whether your conference rooms use analog lines today or you've already migrated to Voice over IP (VoIP) telephony, the SoundStation Duo phone delivers the ultimate deployment flexibility for small to midsize rooms. Crystal clear conversations featuring HD Voice and echo cancellation. Powered with included Power Injection Module (PIM) when used in PSTN mode or dual PSTN/SIP mode

Whether your conference rooms use analog lines today or you've already migrated to Voice over IP (VoIP) telephony, the Polycom SoundStation Duo phone delivers exceptional deployment flexibility for small and midsize rooms. - See more at: http://www.trcnetworks.com/content/polycom-conference-phones#sthash.zTNmh1mj.dpuf

This book provides a comprehensive and practical overview of the technology behind Internet Telephomy (IP), providing essential information to network engineers, desginers, and manageres who need to understand the protocols. Futhermore, the autor explores the issues involved in the migration of existing telephony infraestructur to an IP –based real time communication service. http://eu.wiley.com/WileyCDA/WileyTitle/productCd-047066584X.html