Home Forums HAast (High Availability for Asterisk) Installation & Upgrade G729 licenses invalidated after cluster failover

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  • Customer Inquiry
    Post count: 201

    I use Digium’s G729 codec, and have registered/activated the licenses on both systems. I can verify that the licenses are registered as follows:

    # asterisk -rvvv
    *CLI> g729 show licenses
    0/0 encoders/decoders of 250 licensed channels are currently in use

    After failing the cluster over and back again, the command shows 0 licensed channels. Why is this happening?

    Telium Support Group
    Post count: 263

    The most likely cause is that you have incorrectly configured synchronization between your peers; you are mistakenly synchronizing the G729 license files which is causing Asterisk to refuse them. First, take a look at the Asterisk (full) log to look for G729 related errors on startup – you will likely see one relating to a hardware change.

    Digium stores the G729 license files in the directory /var/lib/asterisk/licenses. Be sure that this directory is excluded from HAAst synchronization. If you are synchronizing a parent directory then you must exclude this directory; for example:

    ; Asterisk support
    elastix-astsupport/description=Asterisk support
    elastix-astsupport/excludepattern=lost+found | licenses

    Alternatively, some companies choose to use open source G729 codec implementations which are not encumbered by Digium’s licensing, as outlined on web sites like this http://asterisk.hosting.lv/ . Many people don’t realize that the g.729 compression algorithm is not protected by copyright (expired patent was held by Intel), though Digium’s implementation is patented (and the fee is for licensing their implementation). Please note that you should check with your own legal counsel to determine if the open source G729 codec can be used in your jurisdiction without requiring royalty payments.

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