[asterisk-users] Problem of "Playing 'pbx-transfer'"

kamrun nahar bina bina187 at gmail.com
Thu May 6 23:33:17 CDT 2010


Dear all,

We have been using asterisk for 4 years. Now we have got problems which
occurs during the attended transfer.
During attended transfer, sometimes we cannot hear the sound of 'pbx-transfer'.

I cannot understand why this is happening?
log is :


 -- Started music on hold, class 'default', on SIP/113.34.235.13-b7a3f110

-- <SIP/0000185148-092db338> Playing 'pbx-transfer' (language 'jp')


Although it is showing Playing 'pbx-transfer' (language 'jp'), but it
cannot hear 'pbx-transfer' sound
Sometimes we can hear the sound of 'pbx-transfer'.
is it the problem of network load or phone-set or something else?
Please let me know. I am using x-lite and snom 300.
Before i tested it for memory load, And found out that it is not a
memory problem.

Our system is as like as:
The number of User agent is: 1650
The number of Actual registered user agent is: 600


Our System configuration is :
IBM X3550
CPU: Intel(R) Xeon(R) CPU X5460 @ 3.16GHz

HDD: 3.5 SATA 1TB x 2
version of asterisk: 1.4.23.1

our memory size is 4GB.
concurrent calls no : 30.
Our memory condition is below :


Cpu(s):  0.3%us,  0.7%sy,  0.0%ni, 98.5%id,  0.0%wa,  0.1%hi,  0.3%si,

0.0%st
Mem:   4147888k total,  3986540k used,   161348k free,    76852k buffers
Swap:  2031608k total,       56k used,  2031552k free,  3170396k cached


  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND

23160 root      15   0  440m 415m 5688 S  4.3 10.3 398:13.93 asterisk

Our disk space condition is below:
Filesystem            Size  Used Avail Use% Mounted on

/dev/mapper/VolGroup00-LogVol00
                      901G  245G  610G  29% /

/dev/sda1              99M   18M   77M  19% /boot
tmpfs                 2.0G     0  2.0G   0% /dev/shm


Asterisk and the User-Agent is connected through the Internet.

......And Is there any solution to solve this problem? I have
investigated in several places but I cannot find out the reason?
I need this solution very urgently. Is there any one who can solve this problem?
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