[asterisk-users] PRI Random Disconnected

[chan (Alpha Trilogies Networks)]

Dear Group,

I am having some problem with PRI, my calls randomly get disconnected and
after I am running Debug, I got the out from CLi screen...

 

Cli messages,

-- Executing Dial("Zap/31-1", "zap/g1/100||rTt") in new stack

-- Making new call for cr 32809

    -- Requested transfer capability: 0x10 - 3K1AUDIO

> Protocol Discriminator: Q.931 (8)  len=30

> Call Ref: len= 2 (reference 41/0x29) (Originator)

> Message type: SETUP (5)

> [04 03 90 90 a3]

> Bearer Capability (len= 5) [ Ext: 1  Q.931 Std: 0  Info transfer
capability: 3.1kHz audio (16)

>                              Ext: 1  Trans mode/rate: 64kbps, circuit-mode
(16)

>                              Ext: 1  User information layer 1: A-Law (35)

> [18 03 a1 83 81]

> Channel ID (len= 5) [ Ext: 1  IntID: Implicit, PRI Spare: 0, Preferred
Dchan: 0

>                        ChanSel: Reserved

>                       Ext: 1  Coding: 0   Number Specified   Channel Type:
3

>                       Ext: 1  Channel: 1 ]

> [1e 02 80 83]

> Progress Indicator (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0:
0   Location: User (0)

>                               Ext: 1  Progress Description: Calling
equipment is non-ISDN. (3) ]

> [6c 03 21 81 20]

> Calling Number (len= 5) [ Ext: 0  TON: National Number (2)  NPI:
ISDN/Telephony Numbering Plan (E.164/E.163) (1)

>                           Presentation: Presentation permitted, user
number passed network screening (1) ' ' ]

> [70 04 c1 31 30 30]

> Called Number (len= 6) [ Ext: 1  TON: Subscriber Number (4)  NPI:
ISDN/Telephony Numbering Plan (E.164/E.163) (1) '100' ]

    -- Called g1/100

< Protocol Discriminator: Q.931 (8)  len=10

< Call Ref: len= 2 (reference 41/0x29) (Terminator)

< Message type: CALL PROCEEDING (2)

< [18 03 a9 83 81]

< Channel ID (len= 5) [ Ext: 1  IntID: Implicit, PRI Spare: 0, Exclusive
Dchan: 0

<                        ChanSel: Reserved

<                       Ext: 1  Coding: 0   Number Specified   Channel Type:
3

<                       Ext: 1  Channel: 1 ]

-- Processing IE 24 (cs0, Channel Identification)

    -- Zap/1-1 is proceeding passing it to Zap/31-1

< Protocol Discriminator: Q.931 (8)  len=12

< Call Ref: len= 2 (reference 41/0x29) (Terminator)

< Message type: STATUS (125)

< [08 02 81 e4]

< Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location:
Private network serving the local user (1)

<                  Ext: 1  Cause: Unknown (100), class = Protocol Error (6)
]

< [14 01 09]

< Call State (len= 3) [ Ext: 0  Coding: CCITT (ITU) standard (0) Call state:
Incoming Call Proceeding (9)

-- Processing IE 8 (cs0, Cause)

-- Processing IE 20 (cs0, Call State)

< Protocol Discriminator: Q.931 (8)  len=5

< Call Ref: len= 2 (reference 41/0x29) (Terminator)

< Message type: ALERTING (1)

    -- Zap/1-1 is ringing

< Protocol Discriminator: Q.931 (8)  len=12

< Call Ref: len= 2 (reference 41/0x29) (Terminator)

< Message type: CONNECT (7)

< [4c 05 01 80 31 30 30]

< Connected Number (len= 7) [ Ext: 0  TON: Unknown Number Type (0)  NPI:
ISDN/Telephony Numbering Plan (E.164/E.163) (1)

<                             Ext: 1 Presentation: Presentation permitted,
user number not screened (0) '100' ]

-- Processing IE 76 (cs0, Connected Number)

> Protocol Discriminator: Q.931 (8)  len=5

> Call Ref: len= 2 (reference 41/0x29) (Originator)

> Message type: CONNECT ACKNOWLEDGE (15)

    -- Zap/1-1 answered Zap/31-1

    -- Attempting native bridge of Zap/31-1 and Zap/1-1
<---------------------"Extension 100 pickup the call, and get disconnected"

< Protocol Discriminator: Q.931 (8)  len=9

< Call Ref: len= 2 (reference 41/0x29) (Terminator)

< Message type: DISCONNECT (69)

< [08 02 85 90]

< Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0) 0: 0   Location:
Private network serving the remote user (5)

<                  Ext: 1  Cause: Unknown (16), class = Normal Event (1) ]

-- Processing IE 8 (cs0, Cause)

    -- Channel 0/1, span 1 got hangup request

 

/.. Zapata.conf file

[channels]

context=from-alcatel

switchtype=national

overlapdial=yes

signalling=pri_net

pridialplan=local

resetinterval=never

facilityenable = yes

priindication=outofband

group=1

usecallerid=yes

hidecallerid=no

threewaycalling=yes

transfer=yes

echocancel=yes

echocancelwhenbridged=yes

echotraining=yes

rxgain=-3.5

txgain=-3.5

busydetect=yes                   ;;;;;Busydetect I did set to no, and calls
does not hangup so I turn to yes.

relaxdtmf=yes

immediate=no

channel=>1-15

channel=>17-31

 

Equipment Topologies Connection:

------> Analog Trunk line PSTN (Alcatel Ompcx Office) < -- > Asterisk (E1 as
PRI_NET) 

Incoming goes into Alcatel and Alcatel Divert it to Asterisk via E1 

Asterisk as a Auto-Attendance System..

 

Asterisk - R1.2.5 / Zaptel 1.2.5 / Libpri 1.2.2 ....CentOS 4.3 final (Kernel
2.6.9-34.01EL)

 

Appreciate if some one can help.

 

 

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