NEC SL1100 Issue 6.0Networking Manual 6 - 276.7 Programming QoS in the NEC SL1100 System6.7.1 Marking Voice Traffic - Program 84-10-XXBefore programming the NEC SL1100 system, discuss therequirements with the network engineering staff or the managednetwork provider. If the ToS markings that are used are notspecifically configured into the network equipment, the voice traffic ishandled by the default queue and is given lowest priority.6.7.2 NEC SL1100 Voice ProtocolsThe NEC SL1100 system supports the following types of VoIP traffic.56 111000 7 Class Selector 757 11100158 11101059 11101160 11110061 11110162 11111063 111111Number Protocol Type Description1 H.323 Communication from VoIPDB to Network2 RTP/RTCP Voice (RTP) and Call Quality Data (RTCP)3 SIP Communication from VoIPDB to Standard SIP device.4 DR700 Communication from VoIPDB to SIP Multiline Terminal.5 SIP Trunks Communication from VoIPDB to NetworkTable 6-6 IP Precedence and Diffserv Values Comparison (Continued)DSCPDecimalDSCPBinaryIPPrecedence Description