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Program 84 : Hardware Setup for VoIP 84-01 : Codec Information Basic Setup Program 84 : Hardware Setup for VoIP 84-01 : Codec Information Basic Setup Level: Feature Availability IN • Available. Description Use Program 84-01 : Codec Information Basic Setup to define the data of H.323 trunks. Refer to Program 84-12 for H.323 extensions and IP CygniLink Codecs. Note that the value of Item 33 (Audio Capability Priority) determines which codec settings to use. This means, for example, that if G.711 is selected in Item 33, the settings in Items 5-12 and 1921 will be ignored. Input Data Item No. Item Input Data Default 01 -- Not Used -- 02 Number of G.711 Audio Frame Maximum number of G711 Audio Frames. When the voice is encoded using the PCM (Pulse Code Modulation) method, a unit is a frame of 10ms. 1 = 10 ms 2 = 20 ms 3 = 30 ms 4 = 40 ms 3 03 G.711 Silence Detection Mode Select whether to compress silence with G.711. When there is silence, the RTP packet is not sent. 0 = Disable 1 = Enable 0 04 G.711 Type Set the type of G.711. 0 = A-law 1 = µ-law 1 05 G.729 Audio Frame Maximum number of G729 Audio Frames. G.729 assumes the audio signal made by a specimen by 8kHz and the frame of 10ms is assumed to be a unit to 8kbps by the encoding compressed method. 1 = 10 ms 2 = 20 ms 3 = 30 ms 4 = 40 ms 5 = 50 ms 6 = 60 ms 3 06 G.729 Silence Compression Mode Select whether to compress silence with G.729. When there is silence, the RTP packet is not sent. 0 = Disable 1 = Enable 0 07 G.729 Jitter Buffer - Minimum Set the minimum value of the Jitter Buffer of G.729 is set. Jitter is the variation in the time between packets arriving and the buffer allows this variation to be absorbed. 0-270 ms 30 08 G.729 Jitter Buffer - Standard Set the average G.729 Jitter Buffer. 0-270 ms 60 09 G.729 Jitter Buffer - Maximum Set the maximum G.729 Jitter Buffer. 0-270 ms 120 UX5000 Software Program Manual Programming ◆ 839
