Layer 3 QoS
Define the Layer 3 QoS parameter. This value is used for IP Precedence,
Diff-Serv or MPLS. Valid range is 0-63.
Assign the VLAN Tag of the Layer 2 QoS packets. Valid range is 0 -4095.
Assign the priority value of the Layer 2 QoS packets. Valid range is 0-7.
Configure the IP address or Domain name of the STUN server. Only non-
symmetric NAT routers work with STUN. Keep Alive Interval
Specify how often the phone will send a blank UDP packet to the SIP server
in order to keep the “ping hole” on the NAT router to open. Valid range is
10-160.
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UCM6200 Series User Manual