Filter
Top Products
VoIP
Aspire Software Manual Features ◆ 671
CODEC Packet Size/Jitter Buffer Configuration
Program Item Input Data Default How to Adjust
84-01-33 (H.323 Trunk)
84-11-28 (Aspire IP Phone)
84-12-28 (H.323 Extension)
Audio Capability
Priority
0: G.711
1: G.723.1
2: G.729
0 (G.711) This data should not be changed.
Voice Quality is the best with G.711
and lessens with G.729 and then
again with G.723.1.
If you need to select another band-
width, it is recommended that G.729
be selected.
84-01-02 (H.323 Trunk)
84-11-01 (Aspire IP Phone)
84-12-01 (H.323 Extension)
G.711 Audio Frame 2, 3 (20msec,
30msec)
3 (30msec) It is strongly recommended to use
option 2 (20ms) for H.323 trunks/
stations.
• This data will usually come into
affect when Audio Capability=0
(G.711) is selected.
• Aspire IP phones can only be set
to use 30ms.
84-01-05 (H.323 Trunk)
84-11-07 (Aspire IP Phone)
84-12-07 (H.323 Extension)
G.729 Audio Frame 2 - 8
(20msec -
80msec)
3 (30msec) It is strongly recommended to use
option 2 (20ms) for H.323 trunks/
stations.
• This data will usually come into
affect when Audio Capability = 2
(G.729) is selected.
• Aspire IP phones and IP adapters
only suport entries of 1-4 (10-
40ms).
84-01-05 (H.323 Trunk)
84-11-12 (Aspire IP Phone)
84-12-12 (H.323 Extension)
G.723.1 Audio Frame 1 - 2
(30 msec, 60
msec)
1 (30 msec) This data will not need to be
changed usually.
• This data will usually come into
affect when Audio Capability = 1
(G.723) is selected.
84-01-15 (H.323 Trunk)
84-11-17 (Aspire IP Phone)
84-12-17 (H.323 Extension)
Jitter Buffer Mode 1: static
2: adaptive
during silence
3: adaptive
immediately
3 (adaptive
immediately)
This data should not be changed.
84-01-16 (H.323 Trunk)
84-11-04 (Aspire IP Phone)
84-12-04 (H.323 Extension)
G.711 Jitter Buffer
(min)
0 - 145
(msec)
30 Set the same time as selected in
G.711 Audio Frame.
84-01-17 (H.323 Trunk)
84-11-05 (Aspire IP Phone)
84-12-05 (H.323 Extension)
G.711 Jitter Buffer
(type)
0 - 145
(msec)
60 Set this option at two times the time
selected in G.711 Audio Frame.
84-01-18 (H.323 Trunk)
84-11-06 (Aspire IP Phone)
84-12-06 (H.323 Extension)
G.711 Jitter Buffer
(max)
0 - 145
(msec)
120 Set this option at four times the time
selected in G.711 Audio Frame.