[asterisk-ss7] number of sigchans on single linkset

[Kaloyan Kovachev]

Not sure about SIG_SS7_NUM_DCHANS, but i am using SS7_MAX_LINKS and
SS7_MAX_ADJSPS = 8 (with 6 links actually) for over 3 years without a
problem and as the max SLC is 4 bit it seems right to have 16 as the
hardcodded maximum

On Sun, 18 Mar 2012 22:54:20 +0500, Abdul Basit <basit.engg at gmail.com>
wrote:
> Kaloyan,
> 
> Thank you for suggestion.
> I will update and recompile asterisk. Will get back with results.
> 
> --
> regards,
> 
> Abdul Basit
> 
> 
> 
> On Sat, Mar 17, 2012 at 12:47 PM, Kaloyan Kovachev
> <kkovachev at varna.net>wrote:
> 
>> On Fri, 16 Mar 2012 23:25:40 +0500, Abdul Basit <basit.engg at gmail.com>
>> wrote:
>> > This is production machine. I found it as stable one and working fine
>> with
>> > me.
>> > Moreover, I tested with latest asterisk 1.6.2.23 but this is not
>> > solving
>> > slc problem.
>> >
>> > If someone has better idea/suggestion thanks in advance.
>>
>> There are few hardcoded limits:
>> in libss7
>> ss7_internal.h  SS7_MAX_LINKS   4
>> ss7_internal.h  SS7_MAX_ADJSPS  4
>>
>> in Asterisk 1.8 and up to trunk
>> sig_ss7.h       SIG_SS7_MAX_CHANNELS    672 (which is 1 DS3 = 28 T1 or
>> about 22 E1)
>> which is equal to MAX_CHANNELS in older versions
>> sig_ss7.h       SIG_SS7_NUM_DCHANS      4   (in older versions is just
>> NUM_DCHANS)
>>
>> also NUM_SPANS = 32 unless you have compiled asterisk with the 'lots of
>> spans' option in which case it is 128
>>
>> in short upgrading will not solve your problem - you should change the
>> hardcoded value and recompile.
>> In my opinion it is safe to increase them all from 4 to 16 (links,
adjspc
>> and dchans)
>>
>> >
>> > --
>> > regards,
>> >
>> > Abdul Basit
>> >
>> >
>> >
>> > On Fri, Mar 16, 2012 at 8:54 PM, Kevin P. Fleming
>> > <kpfleming at digium.com>wrote:
>> >
>> >> On 03/16/2012 08:52 AM, Abdul Basit wrote:
>> >>
>> >>> While browsing through the code in
>> >>>
>> >>> asterisk-1.6.2.10/channels/**chan_dahdi.c
>> >>>
>> >>
>> >> Why are you using such an old version of Asterisk?
>> >>
>> >> --
>> >> Kevin P. Fleming
>> >> Digium, Inc. | Director of Software Technologies
>> >> Jabber: kfleming at digium.com | SIP: kpfleming at digium.com | Skype:
>> >> kpfleming
>> >> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
>> >> Check us out at www.digium.com & www.asterisk.org
>> >>
>> >>
>> >> --
>> >>
>>
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