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add new E1 with MGCP

Nikolay Kozyrev
Level 1
Level 1

Hello, gents.

I have a CUCM 6.1 plus gateway with 2 working E1 channel. By the request of a bussines i trying to add one more E1.

At the CUCM page i already has a two VWIC2-2MFT-T1E1-E1 cards (subunits). I just go to E1 0/1/0 and adjust settings via web (equal to working E1).

On other side, at my Cisco 3845 gateway i have added ;

card type e1 0 0

card type e1 0 1

!

network-clock-participate wic 0

network-clock-participate wic 1

network-clock-select 1 E1 0/0/0

network-clock-select 2 E1 0/0/1

network-clock-select 3 E1 0/1/0

!

controller E1 0/0/0

pri-group timeslots 1-31 service mgcp

!

controller E1 0/0/1

pri-group timeslots 1-31 service mgcp

!

!        

controller E1 0/1/0

pri-group timeslots 1-31 service mgcp

!

interface Serial0/0/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn incoming-voice voice

isdn bind-l3 ccm-manager

no cdp enable

!        

interface Serial0/0/1:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn incoming-voice voice

isdn bind-l3 ccm-manager

no cdp enable

!

interface Serial0/1/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn incoming-voice voice

isdn bind-l3 ccm-manager

no cdp enable

!

voice-port 0/0/0:15

cptone RU

!

voice-port 0/0/1:15

cptone RU

!

!        

voice-port 0/1/0:15

cptone RU

!

ccm-manager shut-backhaul-interfaces

ccm-manager redundant-host 10.76.130.10 10.76.230.10

ccm-manager mgcp

ccm-manager music-on-hold

ccm-manager config server 10.76.130.10 10.78.130.10 10.76.230.10

ccm-manager config

!        

mgcp     

mgcp call-agent 10.78.130.10 2427 service-type mgcp version 0.1

mgcp dtmf-relay voip codec all mode nte-ca

mgcp rtp unreachable timeout 1000 action notify

mgcp modem passthrough voip mode nse

mgcp package-capability rtp-package

mgcp package-capability sst-package

mgcp package-capability pre-package

mgcp package-capability fm-package

mgcp default-package fxr-package

no mgcp package-capability res-package

no mgcp timer receive-rtcp

mgcp sdp simple

mgcp rtp payload-type g726r16 static

mgcp bind control source-interface Loopback1

mgcp bind media source-interface Loopback1

mgcp behavior g729-variants static-pt

!        

mgcp profile default

!        

sccp local Loopback1

sccp ccm 10.78.130.10 identifier 781 version 4.1

sccp ccm 10.76.230.10 identifier 762 version 4.1

sccp ccm 10.76.130.10 identifier 761 version 4.1

sccp     

!

sccp ccm group 1

bind interface Loopback1

associate ccm 761 priority 1

associate ccm 762 priority 2

associate ccm 781 priority 3

--------------------------------------------------------------------------------------------------

So now i see at CUCM gateway tab:

Registration    Unregistered

at gateway side i see:


1) sh isdn status

Q.931 is backhauled to CCM MANAGER 0x0003 on DSL 2. Layer 3 output may not apply

ISDN Serial0/1/0:15 interface

        dsl 2, interface ISDN Switchtype = primary-net5

        L2 Protocol = Q.921 0x0000  L3 Protocol(s) = CCM MANAGER 0x0003

    Layer 1 Status:

        SHUTDOWN

    Layer 2 Status:

        TEI = 0, Ces = 1, SAPI = 0, State = TEI_ASSIGNED

    Layer 3 Status:

        0 Active Layer 3 Call(s)

    Active dsl 2 CCBs = 0

    The Free Channel Mask:  0x00000000

    Number of L2 Discards = 0, L2 Session ID = 1

    Total Allocated ISDN CCBs = 0

In reality psycis is connected.

2) sh controllers e1

E1 0/1/0 is down.

  Applique type is Channelized E1 - balanced

  Cablelength is Unknown

  Description:  ** New E1 **

  Transmitter is sending remote alarm.

  Receiver has loss of frame.

  alarm-trigger is not set

  Version info Firmware: 20090408, FPGA: 13, spm_count = 0

  Framing is CRC4, Line Code is HDB3, Clock Source is Line.

  CRC Threshold is 320. Reported from firmware  is 320.

  Data in current interval (743 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, 743 Unavail Secs

  Total Data (last 24 hours)

     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, 86400 Unavail Secs

My question is : what should i do and what i made wrong ?

2 Replies 2

Anas Abueideh
Level 9
Level 9

Hi,

it seems your E1 is shutdown or your link is not connected

HTH
Anas

please rate if it is helpful


Sent from Cisco Technical Support Android App

Hi, gents.

I have fixed issue.

I trying for test to set a NO CRC4 and new E1 is registered.

So finally i asked a carrier to enable a CRC4 from their side. So set CRC4 + Reset gateway from CUCM and e1 is registered