This is a good link
http://www.erlang.com/calculator/lipb/
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dan Journo
Sent: den 23 september 2005 11:20
To:
Asterisk-Users@lists.digium.com
Subject: [Asterisk-Users] Which
codec?
Is there a guy somewhere
On Friday 23 September 2005 11:19, Dan Journo wrote:
> Is there a guy somewhere on how much bandwidth each codec uses, along with
> the advantages and disadvantages of each one?
> Dan Journo
calculate it yourself:
http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080094ae2.
On Tue, 19 Feb 2008, sean darcy wrote:
> using asterisk(A) over iax to another asterisk server(B) which connects
> to pstn over pri.
>
> Doesn't B have translate to ulaw whatever goes out to the pstn,
Depends on the country, but ulaw or alaw...
> so
> therefore shouldn't A choose ulaw as the iax
Gordon Henderson wrote:
> On Tue, 19 Feb 2008, sean darcy wrote:
>
>> using asterisk(A) over iax to another asterisk server(B) which connects
>> to pstn over pri.
>>
>> Doesn't B have translate to ulaw whatever goes out to the pstn,
>
> Depends on the country, but ulaw or alaw...
ulaw
>
>> so
>
On 2/20/08, sean darcy <[EMAIL PROTECTED]> wrote:
> Gordon Henderson wrote:
> > On Tue, 19 Feb 2008, sean darcy wrote:
> >
> >> using asterisk(A) over iax to another asterisk server(B) which connects
> >> to pstn over pri.
> >>
> >> Doesn't B have translate to ulaw whatever goes out to the pstn,
>
On Wed, 20 Feb 2008, sean darcy wrote:
>> G711 needs about 80Kb/sec each way to work. (It's 64Kb/sec plus IP
>> overhead). GSM needs about 32Kb/sec (13Kb/sec plus IP overhead).
>>
> So with DSL 512kbs up and 3mbs down, plenty of room for G711.
Probably. I've found that it's not the absolute speed
Atis Lezdins wrote:
>>>
BTW, we have 512kbs over the iax connection.
>>> G711 needs about 80Kb/sec each way to work. (It's 64Kb/sec plus IP
>>> overhead). GSM needs about 32Kb/sec (13Kb/sec plus IP overhead).
>>>
>> So with DSL 512kbs up and 3mbs down, plenty of room for G711.
>
On Thu, 2005-02-24 at 16:39 -0800, Richard J. Sears wrote:
> Hey Everyone,
>
> I am playing around with my * box, and I have a few different phones
> hanging off it it right now.
>
> I have a Cisco 7960 capable of g729, ulaw and alaw, I have a Cisco
> ATA186 with a Panasonic cordless phone attach
Carlos Chavez wrote:
> Is there a way to know which Codec a particular phone is using? I have
> several devices which support different codecs and I would like to find out
> which one was negotiaded with Asterisk. Is there a CLI or Manager command to
> get this information?
>
> --
> Carlos C
Carlos,
If you are using SIP devices, you can use 'sip show channels' in the CLI
to display stats of current calls.
e.g.
CLI> sip show channels
Peer User/ANRCall ID Seq (Tx/Rx) Lag Jitter Format
10.155.10.5 phone1 00036be7-af 00101/00103 0ms ms
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