Hi,
I am using chan_ss7 1.0.0 with success, where I pass SIP calls to SS7 switch, however I am facing a nagging problem that prevents the deployment in a production environment.
I am using asterisk 1.2.24
Zaptel 1.2.20.1
Chan_ss7 1.0.0
Digium TE410P
When I connect asterisk to the SS7 switch eveything works fine for sometime, then I start loosing channels (CICs) on the 4 active E1s, and by time I get the following messages:
WARNING[22344] l4isup.c: No idle circuit found.
WARNING[22344] l4isup.c: SS7 requester: No idle circuit available.
By time I get all my CICs unusable although "ss7 show channels" shows many channels as "idle"
(I had the same problme with both chan_ss7 0.9, and the pl patched version of it)
Now using chan_ss7 1.0.0 and issuing "ss7s status" I get something like this:
C7-server*CLI> ss7 status
linkset idle busy initiating resetting total incoming total outgoing
MSC1 36 15 9 0 0 4318
*** Idle list lenth is: 29
linkset idle busy initiating resetting total incoming total outgoing
MSC2 33 16 11 0 0 4285
*** Idle list lenth is: 22
You can notice that the "idle" channels are more than the "Idle list length" for both linksets.
And when the "*** Idle list length" reaches 0 (but the linkset has many idle channels) I start getting the "No idle circuit found" message and calls fail, and of course I only have like 30-40 active ss7 calls on the 120 channels of the 4 E1s.
Your help is much appreciated,
Here is my zaptel.cong and ss7.conf
zaptel.conf:
span=1,1,0,ccs,hdb3
span=2,0,0,ccs,hdb3
span=3,2,0,ccs,hdb3
span=4,0,0,ccs,hdb3
bchan=1-31
#dchan=16
bchan=32-62
bchan=63-93
bchan=94-124
ss7.conf:
[linkset-ABC1]
enabled => yes
enable_st => no
use_connect => no
hunting_policy => seq_lth
subservice => auto
context => ss7
language => en
t35 => 15000,timeout
[linkset-ABC2]
enabled => yes
enable_st => no
use_connect => no
hunting_policy => seq_lth
subservice => auto
context => ss7
language => en
t35 => 15000,timeout
[link-l1]
linkset => ABC1
channels => 1-15,17-31
schannel => 16
firstcic => 1
echocancel=allways
echocan_taps=32
echocan_train=350
enabled => yes
[link-l2]
linkset => ABC1
channels => 1-15,17-31
schannel =>
firstcic => 65
echocancel=allways
echocan_taps=32
echocan_train=350
enabled => yes
[link-l3]
linkset => ABC2
channels => 1-15,17-31
schannel => 16
firstcic => 1
echocancel=allways
echocan_taps=32
enabled => yes
[link-l4]
linkset => ABC2
channels => 1-15,17-31
schannel =>
firstcic => 33
echocancel=allways
echocan_taps=32
enabled => yes
[host-C7-server]
enabled => yes
default_linkset => ABC1
;autopc => no
opc => 9965
dpc => ABC1:4415,ABC2:4414
links => l1:1,l2:2,l3:3,l4:4
if-1 =>10.0.0.101
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