[cisco-voip] Disconnect of the plar connection to the ccm

Tue Nov 8 10:54:11 EST 2005

You will need to track down which side is initiating the disconnect.  Either
use ccm traces or capture IOS debugs recommended here:
http://www.cisco.com/en/US/customer/tech/tk1077/technologies_tech_note09186a
0080207ec6.shtml

/Wes

-----Original Message-----
From: Waleed Samir [mailto:waleed_samir at rayaintegration.com]
Sent: Tuesday, November 08, 2005 10:40 AM
To: Lawrence E. Bakst; Alex A. Pavlenko; cisco-voip at puck.nether.net; Wes
Sisk
Subject: RE: [cisco-voip] Disconnect of the plar connection to the ccm

Dear All

Thanks for your replies

I mean by the call stays for less than a second that the call established
and I hear the other side but the call disconnects quickly (Short period).I
checked the region configuration and I make sure that it is G.711 also in
the router I configured medium complexity under the voice-card 0, I used
another analog cable, also I used the second FXO and also the problem still
exists L

The output of the "show run" is:

hostname HQ-RTR

!

clock timezone EST -5

!

voice-card 0

 codec complexity medium

!

interface FastEthernet0/0

 no ip address

 duplex auto

 speed auto

!

interface FastEthernet0/0.1

 encapsulation dot1Q 110 native

 ip address 10.0.0.1 255.255.255.0

 no snmp trap link-status

!

interface FastEthernet0/0.2

 encapsulation dot1Q 210

 ip address 10.10.200.3 255.255.255.0

 no snmp trap link-status

!

interface Serial0/2/0

 no ip address

 encapsulation frame-relay

 no keepalive

 no fair-queue

 clockrate 2000000

!

interface Serial0/2/0.1 point-to-point

 ip address 162.10.101.1 255.255.255.0

 frame-relay interface-dlci 100

!

!

ip classless

ip route 0.0.0.0 0.0.0.0 Serial0/2/0.1

!

!

voice-port 0/0/0

 connection plar opx 1001

!

!// FXO port
!

!

voice-port 0/0/1

!

!

!

dial-peer voice 1 pots

 destination-pattern 617522....

 port 0/0/0

 forward-digits 4

!

dial-peer voice 10 voip

 destination-pattern 2...

 session target ipv4:10.10.200.21

 codec g711ulaw

!

!// the 10.10.200.21 is the IP of the callmanager in VLAN 210

!

!

dial-peer voice 11 voip

 destination-pattern 1...

 session target ipv4:10.10.200.21

 codec g711ulaw

!

The output of the "show voice trace 0/0/0" is:

HQ-RTR#sh voice trace 0/0/0

0/0/0 State Transitions: timestamp (state, event) -> (state, event) ...

79771.600 (FXOLS_RINGING, E_DSP_SIG_0100) ->

79771.600 (FXOLS_WAIT_SETUP_ACK, E_HTSP_SETUP_ACK) ->

79771.604 (FXOLS_PROCEEDING, E_HTSP_PROCEEDING) ->

79771.740 (FXOLS_PROCEEDING, E_HTSP_ALERT) ->

79775.460 (FXOLS_PROCEEDING, E_DSP_SIG_0000) ->

79776.176 (FXOLS_PROCEEDING, E_HTSP_CONNECT) ->

79776.180 (FXOLS_CONNECT, E_HTSP_VOICE_CUT_THROUGH) ->

79776.380 (FXOLS_CONNECT, E_DSP_SIG_0100) ->

79776.452 (FXOLS_CONNECT, E_DSP_SIG_0110) ->

79776.724 (FXOLS_CONNECT, E_DSP_SIG_0100) ->

79776.732 (FXOLS_POWER_DENIAL, E_HTSP_RELEASE_REQ) ->

79778.120 (FXOLS_GUARD_OUT, E_DSP_SIG_0110) ->

79778.732 (FXOLS_GUARD_OUT, E_HTSP_EVENT_TIMER) ->

79778.732 (FXOLS_ONHOOK, E_DSP_SIG_0100) ->

-----Original Message-----
From: Lawrence E. Bakst [mailto:ml at iridescent.org]
Sent: Tuesday, November 08, 2005 2:13 PM
To: Alex A. Pavlenko; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Disconnect of the plar connection to the ccm

1. I have seen something similar and it turned out that changing the FXO
cable fixed it. I could not find anything obviously wrong with the old
cable, however.

2. Try a different FXO port and see if that works better.

3. After the call fails, do a "show voice trace x/y/z" command, where x/y/z
is the port you are having trouble with. Post that output here if changing
the cable or port doesn't work.

Best,

leb

At 11:19 AM +0300 11/8/05, Alex A. Pavlenko wrote:

>What do you mean the call stays for less than a second? Do you hear the

>caller

>and caller hears you for a short period or call is disconnected
immediately

>after your phone

>goes off hook? In last case it could be codec mismatch. As a variant check

>region/location

>configuration on CCM and dial-peer configuration on the gateway.

>

>--

>Alex Pavlenko

>System Administrator

>Sandy Info

>

>----- Original Message -----

>From: "Waleed Samir Akl" <waleed_samir at rayaintegration.com>

>To: <cisco-voip at puck.nether.net>

>Sent: Tuesday, November 08, 2005 2:15 AM

>Subject: [cisco-voip] Disconnect of the plar connection to the ccm

>

>

>> Dear group

>>

>> My ccm is connected to a gateway using H.323. The gateway has a FXO port

>> configured to plar a DN number on the ccm using the connection plar opx

>> command when a call received on this port. during testing the call

>> received

>> on the FXO port ring on the DN line but once I answered the call, it
stays

>> for less than a second then disconnect.

>> Any idea how to correct this issue

>>

>

>

>

>---------------------------------------------------------------------------
-----

>

>

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>>

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