If your dahdi_test results ever fall below about 99.95, you're going to get some "call quality" issues. Stuttering, pops, clicks, bad timer results, audio delays, etc. This is most significant on heavily loaded hubs and when you're transcoding between different CODECs. How frequently you see problems depends on how bad the timing jitter is. Google: "bad dahdi_test" ....This has been discussed forever about Asterisk PBXs. You must remember that the way AllStar uses Asterisk, it's effectively an Asterisk conference call using the conf/bridge software in dahdi. These numbers MUST be spot-on if you want GREAT results. There is no way around this constraint in the current software. 73, David KB4FXC On Fri, 22 Jun 2018, Mike wrote:
Looks good Pierre,
What is your hardware arrangement cpu&speed/mem
...mike/kb8jnm
On 6/22/2018 6:52 AM, Pierre Martel wrote:
did a test on a vps I have on linode. was wondering if this sounds good for you
:[/usr/sbin]: sudo ./dahdi_test Opened pseudo dahdi interface, measuring accuracy... 99.997% 99.993% 99.997% 99.997% 99.984% 99.998% 99.991% 99.607% 99.993% 99.603% 99.608% 99.990% 99.613% 99.995% 99.998% 99.613% 99.992% 99.997% 99.988% 99.995% 99.999% 99.991% 99.985% 99.603% 99.996% 99.995% 99.998% 99.999% 99.995% 99.995% 99.612% 99.999% 99.893% 99.643% 99.525% 99.998% 99.994% 99.594% 99.999% 99.991% 99.998% 99.999% 99.615% 99.995% 99.996% 99.998% 99.996% 99.994% 99.995% 99.997% 99.980% 99.993% 99.999% 99.984% 99.999% 99.993% 99.998% 99.992% 99.985% 99.997% 99.999% 99.603% 100.000% 99.996% 99.996% 99.611% 99.998% 99.994% 99.994% 99.995% 99.996% 99.994% 99.605% 99.998% 99.999% 99.994% 99.997% 99.991% 99.997% 99.992% 99.996% 99.995% 99.999% 99.997% 99.980% 99.996% 99.999% 99.994% 99.996% 99.995% 99.996% 99.604% 99.998% 99.993% ^C --- Results after 94 passes --- Best: 100.000% -- Worst: 99.525% -- Average: 99.931304% Cumulative Accuracy (not per pass): 100.000
this was while connected to another 2 node and some activity on the repeaters.
IS this a keeper? I am also planning to use that vps as an xlxD server and running an ambed server at home (got 3 trancoding channel possibility here.)
If it is possible to link from allstar dstar and dmr that would make a nice bridge between all those mode.. I just need a second pair of dongle to also get fusion.
If anyone have experience in such thing let me know. I will need some hint. Dont need to be taken by the hand...
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