Voiceoverip PowerPoint PPT Presentations

Tdown & Tup: transmission times for downlink and uplink packets ... Tdown = Tup = (Payload OHhdr) * 8 / dataRate OHsender OHreceiver ...

SIP or H.323 for call setup (signaling) sometimes, H.248 (Megaco) for control of gateways ... but failed systems increase call setup delay ...

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Communications is the key part of 'Tele ... Headsets (are great add-on's), cordless, Zune* 7. RP Telephony can be a pot of gold! ...