asterisk users - May 2007 - Cutted audio or 2/3s blanks on EuroISDN - Asterisk1.4

Your Zap conf files would be helpful.  Zttest results?  Cat
/proc/interrupts.  Sharing interrupts?

Any funky error in the logs?

Thanks,
Steve Totaro
http://www.asteriskhelpdesk.com
 
> -----Original Message-----
> From: asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-
> bounces@lists.digium.com] On Behalf Of Administrator TOOTAI
> Sent: Thursday, May 10, 2007 6:24 AM
> To: Asterisk-Users
> Subject: [asterisk-users] Cutted audio or 2/3s blanks on EuroISDN -
> Asterisk1.4
> 
> Morning all,
> 
> we face a strange problem on a dual Xeon server with 2 GB RAM and 2
> B410P cards. On ISDN calls, audio is sometimes poor (micro
> cutted/scratched) even cutted during few seconds (2 or 3). Problem
> appears only on some calls and isn't reproducable.
> 
> Kernel is a Debian/Etch 2.6.17-4 amd64. We are using misdn1.1.2 with:
> 
> Asterisk SVN-branch-1.4-r62218 built by root @ SrvPhone on a x86_64
> running Linux on 2007-05-05 13:42:13 UTC
> 
> Cards are setted in TE-PTP mode, 7 of the 8 ports are used. Telco is
> Belgacom - Belgium. They checked lines and tell they are ok.
> 
> Thanks for any hint.
> 
> --
> Daniel
> _______________________________________________
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Steve Totaro a ?crit :

Hi Steve
> Your Zap conf files would be helpful.  Zttest results?  Cat
> /proc/interrupts.  Sharing interrupts?
No. Zap con files should not be relevant as we are using ISDN.

dh@SrvP:/home/asterisk/1.4/zaptel$ cat /etc/zaptel.conf

loadzone = us
defaultzone=us

dh@SrvP:/home/asterisk/1.4/zaptel$ cat /etc/asterisk/zapata.conf
;
; Zapata telephony interface
;
; Configuration file
;
; You need to restart Asterisk to re-configure the Zap channel
; CLI> reload chan_zap.so
;               will reload the configuration file,
;               but not all configuration options are
;               re-configured during a reload.

[trunkgroups]

[channels]
;
context=default
;
switchtype=national
;
signalling=fxo_ls
;
rxwink=300              ; Atlas seems to use long (250ms) winks
;
usecallerid=yes
;
hidecallerid=no
;
callwaiting=yes
;
usecallingpres=yes
;
callwaitingcallerid=yes
;
threewaycalling=yes
;
transfer=yes
;
canpark=yes
;
cancallforward=yes
;
callreturn=yes
;
echocancel=yes
;
echocancelwhenbridged=yes
;
rxgain=0.0
txgain=0.0
;
group=1
; make these both the same.  Groups range from 0 to 63.
;
callgroup=1
pickupgroup=1
;
immediate=no


dh@SrvP:/home/asterisk/1.4/zaptel$ cat /proc/interrupts
           CPU0       CPU1       CPU2       CPU3
  0:  109917508          0          0          0    IO-APIC-edge  timer
  1:      12365          0          0          0    IO-APIC-edge  i8042
  8:  444560118          0          0          0    IO-APIC-edge  rtc
  9:          0          0          0          0   IO-APIC-level  acpi
12:      11367          0          0          0    IO-APIC-edge  i8042
14:    3944731          0          0          0    IO-APIC-edge  ide0
58:          0          0          0          0   IO-APIC-level
uhci_hcd:usb1, uhci_hcd:usb3, ehci_hcd:usb5
66:          0          0          0          0   IO-APIC-level
uhci_hcd:usb2, uhci_hcd:usb4
74:    4552211          0          0          0   IO-APIC-level  libata
90:   18418187          0          0          0         PCI-MSI  eth0
98:   27358592          0          0          0   IO-APIC-level  HFC-multi
106:   27358571          0          0          0   IO-APIC-level  HFC-multi
NMI:      14333        691        827       1273
LOC:  109917988  109917975  109917950  109917910
ERR:          0
MIS:          0

We use ztdummy for Meetme:

dh@SrvP:/home/asterisk/1.4/zaptel$ sudo ./zttest
Opened pseudo zap interface, measuring accuracy...
99.963379% 99.938965% 99.963379% 99.963379% 99.938965% 99.963379% 99.938965%
99.963379% 99.938965% 99.963379% 99.963379% 99.938965% 99.951172%
99.938965% 99.963379%
99.963379% 99.938965% 99.963379% 99.938965% 99.963379% 99.938965%
99.963379% 99.963379%
99.938965% 99.963379% 99.938965% 99.963379% 99.938965% 99.963379%
99.963379% 99.938965%
99.963379% 99.938965% 99.963379% 99.938965% 99.963379% 99.963379%
99.938965% 99.963379%
99.938965% 99.963379% 99.938965% 99.963379% 99.963379% 99.938965%
99.963379% 99.938965%
99.963379% 99.963379% 99.938965% 99.963379% 99.938965% 99.963379%
99.938965% 99.951172%
99.963379% 99.938965% 99.963379% 99.938965% 99.963379% 99.938965%
99.963379% 99.963379%
99.938965% 99.963379% 99.938965% 99.963379% 99.938965% 99.963379%
99.963379% 99.938965%
99.963379% 99.938965% 99.963379% 99.963379% 99.938965% 99.963379%
99.938965% 99.963379%
99.938965% 99.963379% 99.963379% 99.938965% 99.963379% 99.938965%
99.963379% 99.938965%
--- Results after 87 passes ---
Best: 99.963379 -- Worst: 99.938965 -- Average: 99.952721

lsmod, zttranscode was loaded, I remove it:

dh@SrvPhone:/home/asterisk/1.4/zaptel$ lsmod
Module                  Size  Used by
ztdummy                10056  0
tcp_diag                6400  0
inet_diag              16784  1 tcp_diag
mISDN_dsp             201384  1
hfcmulti               79884  1
mISDN_capi            107116  1
l3udss1                46744  1
mISDN_l2               44616  1
mISDN_l1               17560  1
mISDN_core             88224  6
mISDN_dsp,hfcmulti,mISDN_capi,l3udss1,mISDN_l2,mISDN_l1
capi                   23616  0
capifs                 11152  2 capi
kernelcapi             56640  2 mISDN_capi,capi
zaptel                197608  7 ztdummy
crc_ccitt               6784  1 zaptel
ipv6                  285664  34
ppdev                  14088  0
parport_pc             41640  0
lp                     17736  0
parport                44684  3 ppdev,parport_pc,lp
button                 12192  0
ac                     10376  0
battery                15496  0
dm_snapshot            20664  0
dm_mirror              25216  0
dm_mod                 62800  2 dm_snapshot,dm_mirror
loop                   20112  0
tsdev                  13056  0
i2c_i801               13076  0
serio_raw              12036  0
i2c_core               27776  1 i2c_i801
pcspkr                  7808  0
psmouse                44432  0
shpchp                 42156  0
pci_hotplug            20872  1 shpchp
evdev                  15360  1
ext3                  138512  3
jbd                    65392  1 ext3
mbcache                14216  1 ext3
raid1                  27008  4
md_mod                 82844  5 raid1
ide_generic             5760  0 [permanent]
ide_cd                 45088  0
cdrom                  40488  1 ide_cd
generic                11396  0 [permanent]
sd_mod                 25856  10
ahci                   24708  8
libata                106784  1 ahci
scsi_mod              153008  3 sd_mod,ahci,libata
piix                   15492  0 [permanent]
ide_core              147584  4 ide_generic,ide_cd,generic,piix
ehci_hcd               36104  0
e1000                 123968  0
uhci_hcd               28696  0
thermal                20240  0
processor              38248  1 thermal
fan                     9864  0
>
> Any funky error in the logs?
Nothing.

Thanks for your help.
>  
>
>> -----Original Message-----
>> [...]
>> Morning all,
>>
>> we face a strange problem on a dual Xeon server with 2 GB RAM and 2
>> B410P cards. On ISDN calls, audio is sometimes poor (micro
>> cutted/scratched) even cutted during few seconds (2 or 3). Problem
>> appears only on some calls and isn't reproducable.
>>
>> Kernel is a Debian/Etch 2.6.17-4 amd64. We are using misdn1.1.2 with:
>>
>> Asterisk SVN-branch-1.4-r62218 built by root @ SrvPhone on a x86_64
>> running Linux on 2007-05-05 13:42:13 UTC
>>
>> Cards are setted in TE-PTP mode, 7 of the 8 ports are used. Telco is
>> Belgacom - Belgium. They checked lines and tell they are ok.
>>
>> Thanks for any hint.
>>
>> --
>> Daniel