[asterisk-users] DAHDI span timeing source

[Satish Patel]

Got it but still confused. As per your example I should go with

Port 1
Span=1,1,0

Port 2
Span=2,2,0

Correct me if I'm wrong.

--
Sent from my iPhone

On May 27, 2011, at 5:32 PM, Shaun Ruffell <sruffell at digium.com> wrote:

> On Fri, May 27, 2011 at 09:20:46PM +0000, satish patel wrote:
>>
>> Tell me in one word. We have 2 PRI line connected with sangoma card  
>> what
>> option would be good for me?
>>
>> 0 or 1 ?
>
> Look at the two last sentences of the first paragraph I quoted  
> below. I
> believe that is your answer...and it's not 0 or 1.
>
>>
>>> Date: Fri, 27 May 2011 16:11:03 -0500
>>> From: sruffell at digium.com
>>> To: asterisk-users at lists.digium.com
>>> Subject: Re: [asterisk-users] DAHDI span timeing source
>>>
>>> On Fri, May 27, 2011 at 08:57:15PM +0000, satish patel wrote:
>>>>
>>>> You mean say
>>>>
>>>> 0=Slave (Use PSTN clock)
>>>> 1=Master(generate Internal clock)
>>>>
>>>> So best option is 0 for all span if you connected on PSTN right ?
>>>
>>> Not really.  Looking in system.conf.sample in dahdi-tools [1]
>>>
>>>  Choose 1 to make the equipment at the far end of the E1/T1/BRI  
>>> link the
>>>  preferred source of the master clock. Choose 2 to make it the  
>>> second
>>>  choice for the master clock, if the first choice port fails (the  
>>> far end
>>>  dies, a cable breaks, or whatever). Choose 3 to make a port the  
>>> third
>>>  choice, and so on. If you have, say, 2 ports connected to the  
>>> PSTN, mark
>>>  those as 1 and 2. The number used for each port should be  
>>> different.
>>>
>>>  If you choose 0, the port will never be used as a source of  
>>> timing. This
>>>  is appropriate when you know the far end should always be a slave  
>>> to
>>>  you. If the port is connected to a channel bank, for example, you  
>>> should
>>>  always be its master. Likewise, BRI TE ports should always be  
>>> configured
>>>  as a slave.  Any number of ports can be marked as 0.
>>>
>>> [1] http://svn.asterisk.org/view/dahdi/tools/trunk/system.conf.sample?view=co
>>>
>
> -- 
> Shaun Ruffell
> Digium, Inc. | Linux Kernel Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> Check us out at: www.digium.com & www.asterisk.org
>
> --
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