Panasonic KX-TDA5480 Programming Manual

Also see for KX-TDA5480: Installation manual Installation manual Installation manual Getting started Programming guide

Contents

2.2 ProgrammingProgramming Guide 19CODEC Frame SettingsOthersG.723.1 Jitter Buffer Adjustment Interval (s) 1-5s5 1 to 5The parameters below are used to set the interval between packet transmissions for each type ofCODEC. It is recommended that all VoIP Gateway Cards in a VoIP network have the same settings forthese parameters.For details, refer to "Detailed Explanations".Parameter Default Value RangeG.723.1 Packet Sending Interval (ms) 30 30 × n (n = 1–3)G.729A Packet Sending Interval (ms) 20 10 × n (n = 2–4)G.711 Packet Sending Interval (ms) 20 10 × n (n = 2–4)Parameter & Description Default Value RangeEcho CancellerSpecifies the use of the echo cancellation feature(G.168).Echo is the audible duplication of a caller’s voice on thereturn path; when echo exists, the caller hears his orher own voice after some delay. The echo cancellereliminates this echo.Use Use,Don’t useG.723.1 VAD (Voice Activity Detection)Specifies the use of the VAD feature (G.723.1).The VAD conserves bandwidth by detecting silentperiods during a call and suppressing the packets ofsilence from being sent to the network.NoteTo use this feature, both the local and remotecards must have this parameter set to "Use".Use Use,Don’t useG.723.1 RateSpecifies the rate of the G.723.1 CODEC.6.3Kbps 5.3Kbps,6.3KbpsDTMF DetectionSpecifies the use of the DTMF detection feature.DTMF detection enables end-to-end DTMF relay overthe network.For details, refer to "Detailed Explanations".Use Use,Don’t useParameter Default Value Range