คำนวณแบนด์วิดธ์ VoIP ผ่านการเชื่อมต่อ aDSL และ Frame Relay

Internet Service Providers typically rate their connectivity services based on download and upload bandwidth. So for example you may subscribe to an aDSL connection rated at 2 Mbps (Megabits per Second) download and 1 Mbps upload. The traffic reaching the provider’s network from the aDSL modem is then routed to its eventual destination by traversing […]

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