[cisco-voip] Help US Voice T1 issue

[Carlo]

Since you are not even getting Layer 1 connection, try looking at the cable. make sure there is or is not a cross over T1 cable involved. if you do need to make a cross over cable it is 1 to 4 and 2 to 5.

Sent from my iPad

On Sep 26, 2013, at 7:18 AM, Samuel Souza <samuelssouza at msn.com> wrote:

> Hello guys,
> 
>  
> 
> We are facing a problem in a US customer.
> 
>  
> 
> The customer is migration from a Nortel PBX to a 2951 router with a VWIC3 T1 card, and when the AT&T connects the PSTN on the router  the T1 stays down, but when the AT&T connects on Nortel again works fine.
> 
>  
> 
> Below, some tests that we did:
> 
> The configuration seems to be ok because we tested in a 2821 router with a VWIC2 card and it works.
> 
> We tried to configure the VWIC2 card on the 2951 router and it works also.
> 
> It is not working only when we connect on the VWIC3 card.
> 
> We tried also to replace the router and the cards but still don’t works.
> 
> A hard loopback plug allows the VWIC3 T1 to come up fine.
> 
>  
> 
> Information:
> 
>  
> 
> Call flow
> 
>  
> 
> ip phone --> cucm --> MGCP GW ---> Telco
> 
>  
> 
> Router Model:
> 
> CISCO2951/K9
> 
> IOS:
> 
> c2951-universalk9-mz.SPA.151-4.M6.bin
> 
> T1 Card:
> 
> WIC Slot 2:
> 
>                 VWIC3-2MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1
> 
>  
> 
> Configuration:
> 
>  
> 
> card type t1 0 2
> 
>  
> 
> network-clock-participate wic 2
> 
> network-clock-select 1 T1 0/2/0
> 
>  
> 
> isdn switch-type primary-ni
> 
>  
> 
> controller T1 0/2/0
> 
> cablelength long 0db
> 
> pri-group timeslots 1-24 service mgcp
> 
> !
> 
> controller T1 0/2/1
> 
> cablelength long 0db
> 
> pri-group timeslots 1-24 service mgcp
> 
>  
> 
> !
> 
> interface Serial0/2/0:23
> 
> no ip address
> 
> encapsulation hdlc
> 
> isdn switch-type primary-ni
> 
> isdn incoming-voice voice
> 
> isdn bind-l3 ccm-manager
> 
> no cdp enable
> 
> !
> 
> interface Serial0/2/1:23
> 
> no ip address
> 
> encapsulation hdlc
> 
> isdn switch-type primary-ni
> 
> isdn incoming-voice voice
> 
> isdn bind-l3 ccm-manager
> 
> no cdp enable
> 
>  
> 
> voice-port 0/2/0:23
> 
> echo-cancel coverage 64
> 
> !
> 
> voice-port 0/2/1:23
> 
> echo-cancel coverage 64
> 
> !
> 
> Show controllers:
> 
>  
> 
> T1 0/2/0 is down.
> 
>   Applique type is Channelized T1
> 
>   Cablelength is long 0db
> 
>   Transmitter is sending remote alarm.
> 
>   Receiver has loss of signal.
> 
>   alarm-trigger is not set
> 
>   Soaking time: 3, Clearance time: 10
> 
>   AIS State:Clear  LOS State:Failure LOF State:Failure
> 
>   Version info FPGA Rev: 08121917, FPGA Type: PRK4
> 
>   Framing is ESF, Line Code is B8ZS, Clock Source is Line.
> 
>   CRC Threshold is 320. Reported from firmware  is 320.
> 
>   Data in current interval (429 seconds elapsed):
> 
>      0 Line Code Violations, 0 Path Code Violations
> 
>      73 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
> 
>      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 429 Unavail Secs
> 
>   Total Data (last 52 15 minute intervals):
> 
>      1 Line Code Violations, 0 Path Code Violations,
> 
>      8173 Slip Secs, 0 Fr Loss Secs, 1 Line Err Secs, 0 Degraded Mins,
> 
>      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 46800 Unavail Secs
> 
> T1 0/2/1 is down.
> 
>   Applique type is Channelized T1
> 
>   Cablelength is long 0db
> 
>   Transmitter is sending remote alarm.
> 
>   Receiver has loss of signal.
> 
>   alarm-trigger is not set
> 
>   Soaking time: 3, Clearance time: 10
> 
>   AIS State:Clear  LOS State:Failure LOF State:Failure
> 
>   Version info FPGA Rev: 08121917, FPGA Type: PRK4
> 
>   Framing is ESF, Line Code is B8ZS, Clock Source is Line.
> 
>   CRC Threshold is 320. Reported from firmware  is 320.
> 
>   Data in current interval (429 seconds elapsed):
> 
>      0 Line Code Violations, 0 Path Code Violations
> 
>      79 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
> 
>      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 429 Unavail Secs
> 
>   Total Data (last 52 15 minute intervals):
> 
>      1 Line Code Violations, 0 Path Code Violations,
> 
>      8629 Slip Secs, 0 Fr Loss Secs, 1 Line Err Secs, 0 Degraded Mins,
> 
>      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 46800 Unavail Secs
> 
>  
> 
> Show interfaces:
> 
> Serial0/2/0:0 is down, line protocol is down
> 
>   Hardware is DSX1
> 
>   MTU 1500 bytes, BW 64 Kbit/sec, DLY 20000 usec,
> 
>      reliability 255/255, txload 1/255, rxload 1/255
> 
>   Encapsulation HDLC, crc 16, loopback not set
> 
>   Keepalive set (10 sec)
> 
>   Last input never, output never, output hang never
> 
>   Last clearing of "show interface" counters never
> 
>   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> 
>   Queueing strategy: weighted fair
> 
>   Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> 
>      Conversations  0/0/256 (active/max active/max total)
> 
>      Reserved Conversations 0/0 (allocated/max allocated)
> 
>      Available Bandwidth 48 kilobits/sec
> 
>   5 minute input rate 0 bits/sec, 0 packets/sec
> 
>   5 minute output rate 0 bits/sec, 0 packets/sec
> 
>      0 packets input, 0 bytes, 0 no buffer
> 
>      Received 0 broadcasts (0 IP multicasts)
> 
>      0 runts, 0 giants, 0 throttles
> 
>      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 
>      0 packets output, 0 bytes, 0 underruns
> 
>      0 output errors, 0 collisions, 0 interface resets
> 
>      0 unknown protocol drops
> 
>      0 output buffer failures, 0 output buffers swapped out
> 
>      0 carrier transitions
> 
>  
> 
> Serial0/2/1:0 is down, line protocol is down
> 
>   Hardware is DSX1
> 
>   MTU 1500 bytes, BW 64 Kbit/sec, DLY 20000 usec,
> 
>      reliability 255/255, txload 1/255, rxload 1/255
> 
>   Encapsulation HDLC, crc 16, loopback not set
> 
>   Keepalive set (10 sec)
> 
>   Last input never, output never, output hang never
> 
>   Last clearing of "show interface" counters never
> 
>   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> 
>   Queueing strategy: weighted fair
> 
>   Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> 
>      Conversations  0/0/256 (active/max active/max total)
> 
>      Reserved Conversations 0/0 (allocated/max allocated)
> 
>      Available Bandwidth 48 kilobits/sec
> 
>   5 minute input rate 0 bits/sec, 0 packets/sec
> 
>   5 minute output rate 0 bits/sec, 0 packets/sec
> 
>      0 packets input, 0 bytes, 0 no buffer
> 
>      Received 0 broadcasts (0 IP multicasts)
> 
>      0 runts, 0 giants, 0 throttles
> 
>      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 
>      0 packets output, 0 bytes, 0 underruns
> 
>      0 output errors, 0 collisions, 0 interface resets
> 
>      0 unknown protocol drops
> 
>      0 output buffer failures, 0 output buffers swapped out
> 
>      0 carrier transitions
> 
>  
> 
> Many thanks!
> 
>  
> 
> Samuel Souza.
> 
> _______________________________________________
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> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
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