Codec Tieline ViA Quick Start User Manual page 29

5. Tap Transport and select IP > Tieline Codecs if ISDN or POTS is the currently configured
transport, then tap SIP.
6. Tap Algorithm to select the preferred algorithm, sample rate and bit rate. G.711 is
configured by default in mono.
7. Tap to toggle the On/Off button for Auto reconnect if the codec should automatically
reconnect if the connection is temporarily lost.
8. Tap Jitter Buffer to select a different automatic jitter buffer setting for your connection, or to
enter a fixed buffer setting in milliseconds (maximum 5000 ms). The default Auto, Best
Compromise setting is a good starting point for most internet connections. Note: The
Depth setting allows you to select predetermined minimum and maximum jitter settings
within the auto jitter buffer's minimum and maximum jitter limitations. The default setting of
60 to 1000ms is a good starting point for most networks. Recommended maximum fixed
jitter limits are as follows:
· 1,000ms for PCM and G.711, G.722 and aptX Enhanced encoding.
· 2,500ms for AAC ELD, AAC LD.
· 5,000 for all other algorithms including Opus, MP2, AAC, AAC-HE, Tieline Music and
Music PLUS.
© Tieline Research Pty. Ltd. 2020
ViA User Manual v3 29