codec
9 posts.
Installing audio codecs (g729 and friends) for VICIdial
G711 ships free with Asterisk; g729 and g723 are licensed. Here's what each codec costs in bandwidth, why g729 needs registration, and how to install it cleanly.
Read postDiagnosing choppy or robotic audio on agent calls
Choppy, robotic, or garbled call audio almost always comes from the RTP path: jitter, packet loss, a codec mismatch, or a CPU-starved dialer.
Read postWhen live monitoring connects but you can't hear the call
Monitoring shows connected but the manager hears nothing. The Real-Time Monitoring Log confirms the session happened; no audio almost always means phone, conf, or codec.
Read postHow much disk do VICIdial recordings really use
Recording disk usage in VICIdial depends on codec, call duration, and agent count. This post walks through real estimates for WAV vs GSM and how to plan your storage before the drive fills.
Read postHow to record in GSM instead of WAV to save disk
Switching the recording format from WAV to GSM shrinks every file and buys you more retention on the same drive. Here is the exact extension change to make.
Read postCampaign Rec extension explained: 8309 WAV vs 8310 GSM
The Campaign Rec extension picks which recording engine handles your calls. 8309 records WAV, 8310 records GSM. Here is the difference and how to choose.
Read postCodec mismatch with your carrier: how to fix it
A codec mismatch shows up as no audio or a 488 rejection. Pin the same codec on both ends and the call connects cleanly.
Read postConf File Templates: Reusing Carrier Configuration
Stop pasting the same allow/disallow and codec lines into every carrier and phone. Conf File Templates let you define a block once and point everything at it.
Read postVICIdial Account Entry: The Peer and Credentials Block
Line by line through the VICIdial Account Entry block: type, host, secret, codecs, and context — what each setting actually does.
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