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clicking and disconnects with PRI

sdwitner1
Level 1
Level 1

‎09-13-2010 10:52 AM - edited ‎03-17-2019 10:06 PM

I am running a cisco 2851 as a voice gateway and am getting more intermittent outbound calls that disconnect when the remote party answers. sometimes we hear a clicking noise right before the disconnect. I have checked my T1 controller and it is showing no slips or errors. Any ideas???

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15 Replies 15

byrne
Level 1
Level 1

‎09-13-2010 01:01 PM

Would be good to verify that you have the network-clock-paricipate and the network-clock-select command in the configuration.

Is this PRI going to a PSTN carrier? (have you checked with them?).

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-13-2010 01:05 PM

I have the network-clock-participate in the configuration. This PRI is between the 2851 and a Comdial phone system.

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-13-2010 01:19 PM

Foster2851#sh network-clocks

Network Clock Configuration

0 Helpful

byrne
Level 1
Level 1
In response to sdwitner1

‎09-13-2010 01:25 PM

Is the clock source line or internal for this PRI?

Looks like the output show network-clocks was not complete, do you see a priority 1 Clock Source? Is it this PRI?

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-13-2010 01:28 PM

The clock source is internal

Foster2851#sh network-clocks

Network Clock Configuration

Priority Clock Source Clock State Clock Type

10 Backplane GOOD PLL

Current Primary Clock Source

Priority Clock Source Clock State Clock Type

10 Backplane GOOD PLL

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-13-2010 01:30 PM

controller T1 1/0

framing esf

clock source internal

linecode b8zs

pri-group timeslots 1-24

description PBX slot

0 Helpful

byrne
Level 1
Level 1
In response to sdwitner1

‎09-13-2010 01:33 PM

Do you a T1 coming from a PSTN provider connected to this gateway?

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-13-2010 01:36 PM

Yes...see below. I have 3 T1's configured as an MLPPP group.

interface Multilink1

description MPLS-FRO2004147191VRP

ip address 1.2.3.4 255.255.255.252

ip route-cache flow

no peer neighbor-route

no cdp enable

ppp multilink

ppp multilink group 1

ppp multilink fragment disable

max-reserved-bandwidth 100

service-policy output QOS-SCHEDULER-MU1

!

interface Serial0/0/0

no ip address

encapsulation ppp

service-module t1 timeslots 1-24

ppp multilink

ppp multilink group 1

max-reserved-bandwidth 100

!

interface Serial0/1/0

no ip address

encapsulation ppp

service-module t1 timeslots 1-24

ppp multilink

ppp multilink group 1

max-reserved-bandwidth 100

!

interface Serial0/2/0

no ip address

encapsulation ppp

service-module t1 timeslots 1-24

ppp multilink

ppp multilink group 1

max-reserved-bandwidth 100

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-13-2010 01:49 PM

Foster2851#sh controller t1

T1 1/0 is up.

Applique type is Channelized T1

Cablelength is long gain36 0db

Description: PBX slot

No alarms detected.

alarm-trigger is not set

Soaking time: 3, Clearance time: 10

AIS State:Clear LOS State:Clear LOF State:Clear

Version info Firmware: 20090408, FPGA: 255, spm_count = 0

Framing is ESF, Line Code is B8ZS, Clock Source is Internal.

Current port master clock:recovered from backplane

Data in current interval (812 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Total Data (last 6 15 minute intervals):

0 Line Code Violations, 0 Path Code Violations,

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

0 Helpful

byrne
Level 1
Level 1
In response to sdwitner1

‎09-13-2010 02:14 PM

I see this voice t1 is in a Network Module (controller T1 1/0), is it using DSP resources from the Network Module or the mother board(show diag) and "voice-card" configuration.

Do you have a voice T1 going to the telco?

If you are using dsp resources from the mother board and the t1 in on a network module this t1 would have to participate in in the tdm backplane clocking domain.

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-14-2010 06:30 AM

voice-card 0

dspfarm

dsp service dspfarm

no local-bypass

!

voice-card 1

no dspfarm

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-14-2010 06:34 AM

Slot 0:

PVDM Slot 0:

        48-channel (G.711) Voice/Fax PVDMII DSP SIMM PVDM daughter card

        Hardware Revision        : 4.0

        Part Number              : 73-8540-05

        Board Revision           : C0

        Deviation Number         : 0

        Fab Version              : 04

        PCB Serial Number        : FOC13513LV5

        RMA Test History         : 00

        RMA Number               : 0-0-0-0

        RMA History              : 00

        Processor type           : 00

        Product (FRU) Number     : PVDM2-48

        Version Identifier       : V01

        EEPROM format version 4

        EEPROM contents (hex):

          0x00: 04 FF 40 03 ED 41 04 00 82 49 21 5C 05 42 43 30

          0x10: 88 00 00 00 00 02 04 C1 8B 46 4F 43 31 33 35 31

          0x20: 33 4C 56 35 03 00 81 00 00 00 00 04 00 09 00 CB

          0x30: 88 50 56 44 4D 32 2D 34 38 89 56 30 31 20 D9 02

          0x40: 40 C1 FF FF FF FF FF FF FF FF FF FF FF FF FF FF

          0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

          0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

          0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

Slot 1:

PVDM Slot 0:

        8-channel (G.711) Voice/Fax PVDMII DSP SIMM PVDM daughter card

        Hardware Revision        : 4.0

        Part Number              : 73-8848-05

        Board Revision           : C0

        Deviation Number         : 0

        Fab Version              : 04

        PCB Serial Number        : FOC13520A6Z

        RMA Test History         : 00

        RMA Number               : 0-0-0-0

        RMA History              : 00

        Processor type           : 00

        Product (FRU) Number     : PVDM2-8

        Version Identifier       : V01

        EEPROM format version 4

        EEPROM contents (hex):

          0x00: 04 FF 40 04 30 41 04 00 82 49 22 90 05 42 43 30

          0x10: 88 00 00 00 00 02 04 C1 8B 46 4F 43 31 33 35 32

          0x20: 30 41 36 5A 03 00 81 00 00 00 00 04 00 09 00 CB

          0x30: 88 50 56 44 4D 32 2D 38 20 89 56 30 31 20 D9 02

          0x40: 40 C1 FF FF FF FF FF FF FF FF FF FF FF FF FF FF

          0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

          0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

          0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0 Helpful

byrne
Level 1
Level 1
In response to sdwitner1

‎09-14-2010 06:54 AM

Looks like the show diag was not complete, I do not see Network Module Slot 1.

Is it possible to give complte show diag and the "network-clock participate" and "network-clock select" commands?

0 Helpful

sdwitner1
Level 1
Level 1
In response to byrne

‎09-14-2010 07:00 AM

Foster2851#sh diag

Slot 0:

C2851 Motherboard with 2GE and integrated VPN Port adapter, 2 ports

Port adapter is analyzed

Port adapter insertion time unknown

EEPROM contents at hardware discovery:

PCB Serial Number : FOC134855MF

Hardware Revision : 1.0

Top Assy. Part Number : 800-26922-04

Board Revision : E0

Deviation Number : 0

Fab Version : 03

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Processor type : 87

Hardware date code : 20091130

Chassis Serial Number : FTX1402AK47

Chassis MAC Address : c47d.4f05.8580

MAC Address block size : 32

CLEI Code : COMV510ARA

Product (FRU) Number : CISCO2851

Part Number : 73-8480-05

Version Identifier : V05

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF C1 8B 46 4F 43 31 33 34 38 35 35 4D 46 40

0x10: 03 E9 41 01 00 C0 46 03 20 00 69 2A 04 42 45 30

0x20: 88 00 00 00 00 02 03 03 00 81 00 00 00 00 04 00

0x30: 09 87 83 01 32 90 FA C2 8B 46 54 58 31 34 30 32

0x40: 41 4B 34 37 C3 06 C4 7D 4F 05 85 80 43 00 20 C6

0x50: 8A 43 4F 4D 56 35 31 30 41 52 41 CB 8F 43 49 53

0x60: 43 4F 32 38 35 31 20 20 20 20 20 20 82 49 21 20

0x70: 05 89 56 30 35 20 D9 03 40 C1 C2 FF FF FF FF FF

PVDM Slot 0:

48-channel (G.711) Voice/Fax PVDMII DSP SIMM PVDM daughter card

Hardware Revision : 4.0

Part Number : 73-8540-05

Board Revision : C0

Deviation Number : 0

Fab Version : 04

PCB Serial Number : FOC13513LV5

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Processor type : 00

Product (FRU) Number : PVDM2-48

Version Identifier : V01

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 03 ED 41 04 00 82 49 21 5C 05 42 43 30

0x10: 88 00 00 00 00 02 04 C1 8B 46 4F 43 31 33 35 31

0x20: 33 4C 56 35 03 00 81 00 00 00 00 04 00 09 00 CB

0x30: 88 50 56 44 4D 32 2D 34 38 89 56 30 31 20 D9 02

0x40: 40 C1 FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

WIC Slot 0:

FT1 PMC4351

Hardware Revision : 1.2

PCB Serial Number : FOC13424HSX

Part Number : 73-8346-05

Board Revision : A0

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Deviation Number : 0-0

Product (FRU) Number : WIC-1DSU-T1-V2

Top Assy. Part Number : 800-22193-03

CLEI Code : IPUIAPRRAA

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 00 52 41 01 02 C1 8B 46 4F 43 31 33 34

0x10: 32 34 48 53 58 82 49 20 9A 05 42 41 30 03 00 81

0x20: 00 00 00 00 04 00 80 00 00 00 00 CB 94 57 49 43

0x30: 2D 31 44 53 55 2D 54 31 2D 56 32 20 20 20 20 20

0x40: 20 C0 46 03 20 00 56 B1 03 C6 8A 49 50 55 49 41

0x50: 50 52 52 41 41 FF FF FF FF FF FF FF FF FF FF FF

0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

WIC Slot 1:

FT1 PMC4351

Hardware Revision : 1.2

PCB Serial Number : FOC13424HSR

Part Number : 73-8346-05

Board Revision : A0

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Deviation Number : 0-0

Product (FRU) Number : WIC-1DSU-T1-V2

Top Assy. Part Number : 800-22193-03

CLEI Code : IPUIAPRRAA

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 00 52 41 01 02 C1 8B 46 4F 43 31 33 34

0x10: 32 34 48 53 52 82 49 20 9A 05 42 41 30 03 00 81

0x20: 00 00 00 00 04 00 80 00 00 00 00 CB 94 57 49 43

0x30: 2D 31 44 53 55 2D 54 31 2D 56 32 20 20 20 20 20

0x40: 20 C0 46 03 20 00 56 B1 03 C6 8A 49 50 55 49 41

0x50: 50 52 52 41 41 FF FF FF FF FF FF FF FF FF FF FF

0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

WIC Slot 2:

FT1 PMC4351

Hardware Revision : 1.2

PCB Serial Number : FOC13424JA5

Part Number : 73-8346-05

Board Revision : A0

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Deviation Number : 0-0

Product (FRU) Number : WIC-1DSU-T1-V2

Top Assy. Part Number : 800-22193-03

CLEI Code : IPUIAPRRAA

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 00 52 41 01 02 C1 8B 46 4F 43 31 33 34

0x10: 32 34 4A 41 35 82 49 20 9A 05 42 41 30 03 00 81

0x20: 00 00 00 00 04 00 80 00 00 00 00 CB 94 57 49 43

0x30: 2D 31 44 53 55 2D 54 31 2D 56 32 20 20 20 20 20

0x40: 20 C0 46 03 20 00 56 B1 03 C6 8A 49 50 55 49 41

0x50: 50 52 52 41 41 FF FF FF FF FF FF FF FF FF FF FF

0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

WIC Slot 3:

FXS Voice daughter card (4 port)

Hardware Revision : 3.1

Part Number : 73-6918-02

Board Revision : G0

Deviation Number : 0

Fab Version : 02

PCB Serial Number : FOC14026PQT

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Top Assy. Part Number : 800-17016-02

Connector Type : 01

CLEI Code : IP9IABYCAA

Product (FRU) Number : VIC-4FXS/DID=

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 00 3A 41 03 01 82 49 1B 06 02 42 47 30

0x10: 88 00 00 00 00 02 02 C1 8B 46 4F 43 31 34 30 32

0x20: 36 50 51 54 03 00 81 00 00 00 00 04 00 C0 46 03

0x30: 20 00 42 78 02 05 01 C6 8A 49 50 39 49 41 42 59

0x40: 43 41 41 FF FF FF FF FF FF FF FF FF FF FF FF FF

0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

Slot 1:

High Density Voice NM-HDV2-1T1/E1 Port adapter

Port adapter is analyzed

Port adapter insertion time unknown

EEPROM contents at hardware discovery:

Hardware Revision : 1.1

Top Assy. Part Number : 800-22167-05

Board Revision : D0

Deviation Number : 0

Fab Version : 05

PCB Serial Number : FOC14062U26

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Fab Part Number : 28-6126-05

Manufacturing Test Data : 00 00 00 00 00 00 00 00

Field Diagnostics Data : 00 00 00 00 00 00 00 00

Product (FRU) Number : NM-HDV2-1T1/E1

Version Identifier : V05

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 03 DA 41 01 01 C0 46 03 20 00 56 97 05

0x10: 42 44 30 88 00 00 00 00 02 05 C1 8B 46 4F 43 31

0x20: 34 30 36 32 55 32 36 03 00 81 00 00 00 00 04 00

0x30: 85 1C 17 EE 05 C4 08 00 00 00 00 00 00 00 00 C5

0x40: 08 00 00 00 00 00 00 00 00 CB 8E 4E 4D 2D 48 44

0x50: 56 32 2D 31 54 31 2F 45 31 89 56 30 35 20 D9 02

0x60: 40 C1 FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

FPGA revision:0x16C

WIC Slot 0:

FXS Voice daughter card (4 port)

Hardware Revision : 3.1

Part Number : 73-6918-02

Board Revision : G0

Deviation Number : 0

Fab Version : 02

PCB Serial Number : FOC14026PQN

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Top Assy. Part Number : 800-17016-02

Connector Type : 01

CLEI Code : IP9IABYCAA

Product (FRU) Number : VIC-4FXS/DID=

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 00 3A 41 03 01 82 49 1B 06 02 42 47 30

0x10: 88 00 00 00 00 02 02 C1 8B 46 4F 43 31 34 30 32

0x20: 36 50 51 4E 03 00 81 00 00 00 00 04 00 C0 46 03

0x30: 20 00 42 78 02 05 01 C6 8A 49 50 39 49 41 42 59

0x40: 43 41 41 FF FF FF FF FF FF FF FF FF FF FF FF FF

0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

WIC Slot 1:

HDV2 on board t1/e1 controller (1 port)

PVDM Slot 0:

8-channel (G.711) Voice/Fax PVDMII DSP SIMM PVDM daughter card

Hardware Revision : 4.0

Part Number : 73-8848-05

Board Revision : C0

Deviation Number : 0

Fab Version : 04

PCB Serial Number : FOC13520A6Z

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Processor type : 00

Product (FRU) Number : PVDM2-8

Version Identifier : V01

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF 40 04 30 41 04 00 82 49 22 90 05 42 43 30

0x10: 88 00 00 00 00 02 04 C1 8B 46 4F 43 31 33 35 32

0x20: 30 41 36 5A 03 00 81 00 00 00 00 04 00 09 00 CB

0x30: 88 50 56 44 4D 32 2D 38 20 89 56 30 31 20 D9 02

0x40: 40 C1 FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

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