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

Steve Hanselman SteveH at brendata.co.uk
Fri Jun 1 02:20:05 MST 2007


We're also seeing the same thing, our calls are bridged zaptel calls between ISDN30 PRI interfaces on a single TE410P.

We don't' appear to have any lost interrupts.

Same as stated, 2-3 second gaps in audio.

Steve




-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Administrator TOOTAI
Sent: 11 May 2007 09:47
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Cutted audio or 2/3s blanks on EuroISDN- Asterisk1.4

Steve Totaro a écrit :

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

loadzone = us
defaultzone=us

dh at 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 at 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 at 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 at 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

_______________________________________________
--Bandwidth and Colocation provided by Easynews.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
   http://lists.digium.com/mailman/listinfo/asterisk-users


The information contained in this email is intended for the personal and confidential use
of the addressee only. It may also be privileged information. If you are not the intended
recipient then you are hereby notified that you have received this document in error and
that any review, distribution or copying of this document is strictly prohibited. If you have 
received  this communication in error, please notify Brendata immediately on: 

+44 (0)1268 466100, or email 'technical at brendata.co.uk' 

Brendata (UK) Ltd
Nevendon Hall, Nevendon Road, Basildon, Essex. SS13 1BX  UK
Registered Office as above. Registered in England No. 2764339

See our current vacancies at www.brendata.co.uk


More information about the asterisk-users mailing list