[asterisk-users] garbled calls

Anthony Francis anthonyf at rockynet.com
Tue Jul 3 12:55:54 CDT 2007


Joe acquisto wrote:
>> QoS does nothing for you unless you're using MPLS between connections
>> to a degree. (re-stated...)  If you're under the impression that you're
>> going to magically place some auto-qos of sorts and your traffic will be
>> magically shaped for high performance, you're semi-mistaken. While it
>> may shape traffic coming internally and how you handle that traffic,
>> unless you have a certain pre-defined service with your provider,
>> most providers won't/don't care how you "color your packets". So go
>> ahead and misinterpret QoS by marking DSCP, wasting hours thinking
>> you're going to save .03ms. Fire up Wireshark at the other end and
>> check your classifications and I can bet you lunch for a year that
>> most providers will re-classify or ignore your markings.
>>     
>
> I was merely stating what exists now and requesting guidance.
>
> I am aware that effective QoS requires the co-operation of the ISP (and probably,
> the end users gear), and do not look forward to messing with any of it.
>
> joe a.
>
>
>
>
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QOS across the internet is pointless and further more doesnt really 
exist, I would suggest setting qualify=200 in sip.conf so that asterisk 
will not send a call to the remote end if they are more than 200 
milliseconds away.




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