ADI IOG-100 User Manual
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Contents
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382-3-4 QoS SettingsQoS cannot guarantee 100% audio quality. Theoretically when requested bandwidth is morethan actual bandwidth, the audio quality will be compromised. QoS only have guaranteed-priority tosend out the voice packet, but cannot guarantee the remote device can receive and play the audiosuccessfully. In addition, Qos cannot choose and request which downloaded packet to receive (inpriority). For priority options, ToS/DSCP must be activated.Note: Not all routers are equipped with ToS/DSCP, if not, the remote VoIP devices cannotreceive the audio packets with priority.Advanced Settings ā QoSEnable WAN QoS: Check the box to guaranty the voice quality. Voice packets have the highestpriority in IP networks, and the data transmission is distributed to less bandwidth.ToS IP Precedence / DiffServ (DSCP): After activated, the transmitting device will cooperateouter Switch/Router to send the audio packet with priority; the system will set up Precedenceperemter at TOS or DSCP peremeter at DS. The priority is more supreme if the paremeter ishigher. The peremeter of Signaling (SIP Signal) and Voice (RTP) can be set up individually.ToS IP Precedence: Select the precedence for signaling (data) and voice (voice data).DiffServ (DSCP): Select the number of signaling (data) and voice (voice data) values.Note: For the VoIP, ToS IP Precedence and DiffServ are the same function. You only select onefor priority marking. |
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