[asterisk-ss7] Echo and Noise problems with chan_ss7

james.zhu zhulizhong at live.com
Fri Jun 21 01:41:43 CDT 2013


Hi:
you have to doule sure that echo_train work with chan_ss7.
Best regards!
Connect With Sangoma
www.hiastar.com
  ----- Original Message ----- 
  From: bipin singh 
  To: asterisk-ss7 at lists.digium.com 
  Sent: Friday, June 21, 2013 2:04 PM
  Subject: Re: [asterisk-ss7] Echo and Noise problems with chan_ss7


  Hi ,

  Try libss7 for ss7 signalling. 




  On Wed, Jun 12, 2013 at 1:03 PM, Simon Handschin <simon.handschin at gmail.com> wrote:

    Hi Everybody! 


    I have some problems with echo and noises during calls. I played a bit with echo_train and echo_taps but no change. 


    Have someone similar problems?




    Here is my setup:


    Chan_ss7 2.1.0

    Asterisk 1.8.9.3

    Dahdi 2.6.0

    Sangoma A104 (No HWEC)

    Wanpipe 3.5.25




    ss7.conf: 

    [linkset-siuc]

    enable_st => no

    use_connect => no

    hunting_policy => even_mru

    context => custom

    language => de

    t35 => 3500,st

    subservice => auto

    variant => ITU







    [link-l1]

    linkset => siuc

    channels => 2-31

    schannel => 1

    firstcic => 1

    enabled => yes

    sltm => no

    sls=0

    echocancel => allways

    echocan_train => 10

    echocan_taps => 128




    [link-l2]

    linkset => siuc

    channels => 1-31

    schannel =>

    firstcic => 33

    enabled => yes

    sltm => no

    sls=0

    echocancel => allways

    echocan_train => 10

    echocan_taps => 128




    [link-l3]

    linkset => siuc

    channels => 1-31

    schannel =>

    firstcic => 65

    enabled => yes

    sltm => no

    sls=0

    echocancel => allways

    echocan_train => 10

    echocan_taps => 128




    [link-l4]

    linkset => siuc

    channels => 1-31

    schannel =>

    firstcic => 97

    enabled => yes

    sltm => no

    sls=0

    echocancel => allways

    echocan_train => 10

    echocan_taps => 128




    [host-SS7-1]

    ;if-1 => 10.1.40.71

    enabled => yes

    opc => 1601

    dpc => siuc:300

    links => l1:1,l2:2,l3:3,l4:4                    ;span 1 of dahdi/system.conf

    ;globaltitle => 0x00, 0x03, 0x01, 7773

    ssn => 7











    chan_dahdi.conf:

    ;autogenerated by /usr/sbin/wancfg_dahdi do not hand edit

    ;autogenrated on 2009-03-18

    ;Dahdi Channels Configurations 

    ;For detailed Dahdi options, view /etc/asterisk/chan_dahdi.conf.bak




    [trunkgroups]




    [channels]

    context=default

    usecallerid=yes

    hidecallerid=no

    callwaiting=yes

    usecallingpres=yes

    callwaitingcallerid=yes

    threewaycalling=yes

    transfer=yes

    canpark=yes

    cancallforward=yes

    callreturn=yes

    echocancel=yes

    echocancelwhenbridged=yes

    relaxdtmf=yes

    rxgain=8

    txgain=-3

    group=1

    callgroup=1

    pickupgroup=1

    immediate=no

    toneduration=50





    dahdi systems.conf:
    #autogenerated by /usr/sbin/wancfg_dahdi do not hand edit
    #autogenrated on 2009-07-23
    #Dahdi Channels Configurations 
    #For detailed Dahdi options, view /etc/dahdi/system.conf.bak
    loadzone=de
    defaultzone=de


    #Sangoma A104 port 1 [slot:3 bus:13 span:1] <wanpipe1>
    span=1,1,0,ccs,hdb3,crc4
    bchan=2-31
    mtp2=1
    echocanceller=mg2,2-31
    txgain=-3
    rxgain=8


    #Sangoma A104 port 2 [slot:3 bus:13 span:2] <wanpipe2>
    span=2,1,0,ccs,hdb3,crc4
    bchan=32-63
    echocanceller=mg2,32-63
    txgain=-3
    rxgain=8


    #Sangoma A104 port 3 [slot:3 bus:13 span:3] <wanpipe3>
    span=3,1,0,ccs,hdb3,crc4
    bchan=64-95
    echocanceller=mg2,64-95
    txgain=-3
    rxgain=8


    #Sangoma A104 port 4 [slot:3 bus:13 span:4] <wanpipe4>
    span=4,1,0,ccs,hdb3,crc4
    bchan=96-124
    echocanceller=mg2,96-124
    txgain=-3
    rxgain=8






    wanpipe1.conf:
    #================================================
    # WANPIPE1 Configuration File
    #================================================
    #
    # Date: Wed Dec  6 20:29:03 UTC 2006
    #
    # Note: This file was generated automatically
    #       by /usr/local/sbin/setup-sangoma program.
    #
    #       If you want to edit this file, it is
    #       recommended that you use wancfg program
    #       to do so.
    #================================================
    # Sangoma Technologies Inc.
    #================================================


    [devices]
    wanpipe1 = WAN_AFT_TE1, Comment


    [interfaces]
    w1g1 = wanpipe1, , TDM_VOICE, Comment


    [wanpipe1]
    CARD_TYPE = AFT
    S514CPU = A
    CommPort = PRI
    AUTO_PCISLOT = NO
    PCISLOT = 3
    PCIBUS   = 13
    FE_MEDIA = E1
    FE_LCODE = HDB3
    FE_FRAME = CRC4
    FE_LINE = 1
    TE_CLOCK = NORMAL
    TE_REF_CLOCK    = 1 # alt 0
    TE_SIG_MODE     = CCS
    TE_HIGHIMPEDANCE = NO


    LBO = 120OH
    FE_TXTRISTATE = NO
    MTU = 1500
    UDPPORT = 9000
    TTL = 255
    IGNORE_FRONT_END = NO
    TDMV_SPAN = 1
    TDMV_DCHAN = 16
    TDMV_HW_DTMF = YES 
    TDMV_HW_FAX_DETECT = NO
    [w1g1]
    ACTIVE_CH = ALL
    TDMV_HWEC = NO






    wanpipe2.conf:
    #================================================
    # WANPIPE1 Configuration File
    #================================================
    #
    # Date: Wed Dec  6 20:29:03 UTC 2006
    #
    # Note: This file was generated automatically
    #       by /usr/local/sbin/setup-sangoma program.
    #
    #       If you want to edit this file, it is
    #       recommended that you use wancfg program
    #       to do so.
    #================================================
    # Sangoma Technologies Inc.
    #================================================


    [devices]
    wanpipe2 = WAN_AFT_TE1, Comment


    [interfaces]
    w2g1 = wanpipe2, , TDM_VOICE, Comment


    [wanpipe2]
    CARD_TYPE = AFT
    S514CPU = A
    CommPort = PRI
    AUTO_PCISLOT = NO
    PCISLOT = 3
    PCIBUS   = 13
    FE_MEDIA = E1
    FE_LCODE = HDB3
    FE_FRAME = CRC4
    FE_LINE = 2
    TE_CLOCK = NORMAL # ALT NORMAL
    TE_REF_CLOCK    = 1 # ALT 0


    TE_SIG_MODE     = CCS
    TE_HIGHIMPEDANCE = NO


    LBO = 120OH
    FE_TXTRISTATE = NO
    MTU = 1500
    UDPPORT = 9000
    TTL = 255
    IGNORE_FRONT_END = NO
    TDMV_SPAN = 2
    TDMV_DCHAN = 16
    TDMV_HW_DTMF = NO
    TDMV_HW_FAX_DETECT = NO


    [w2g1]
    ACTIVE_CH = ALL
    TDMV_HWEC = NO






    wanpipe3.conf:
    #================================================
    # WANPIPE1 Configuration File
    #================================================
    #
    # Date: Wed Dec  6 20:29:03 UTC 2006
    #
    # Note: This file was generated automatically
    #       by /usr/local/sbin/setup-sangoma program.
    #
    #       If you want to edit this file, it is
    #       recommended that you use wancfg program
    #       to do so.
    #================================================
    # Sangoma Technologies Inc.
    #================================================


    [devices]
    wanpipe3 = WAN_AFT_TE1, Comment


    [interfaces]
    w3g1 = wanpipe3, , TDM_VOICE, Comment


    [wanpipe3]
    CARD_TYPE = AFT
    S514CPU = A
    CommPort = PRI
    AUTO_PCISLOT = NO
    PCISLOT = 3
    PCIBUS   = 13
    FE_MEDIA = E1
    FE_LCODE = HDB3
    FE_FRAME = CRC4
    FE_LINE = 3
    TE_CLOCK = NORMAL # ALT NORMAL
    TE_REF_CLOCK    = 1 # alt 0
    TE_SIG_MODE     = CCS
    TE_HIGHIMPEDANCE = NO


    LBO = 120OH
    FE_TXTRISTATE = NO
    MTU = 1500
    UDPPORT = 9000
    TTL = 255
    IGNORE_FRONT_END = NO
    TDMV_SPAN = 3
    TDMV_DCHAN = 16
    TDMV_HW_DTMF = NO
    TDMV_HW_FAX_DETECT = NO


    [w3g1]
    ACTIVE_CH = ALL
    TDMV_HWEC = NO




    wanpipe4.conf:
    #================================================
    # WANPIPE1 Configuration File
    #================================================
    #
    # Date: Wed Dec  6 20:29:03 UTC 2006
    #
    # Note: This file was generated automatically
    #       by /usr/local/sbin/setup-sangoma program.
    #
    #       If you want to edit this file, it is
    #       recommended that you use wancfg program
    #       to do so.
    #================================================
    # Sangoma Technologies Inc.
    #================================================


    [devices]
    wanpipe4 = WAN_AFT_TE1, Comment


    [interfaces]
    w4g1 = wanpipe4, , TDM_VOICE, Comment


    [wanpipe4]
    CARD_TYPE = AFT
    S514CPU = A
    CommPort = PRI
    AUTO_PCISLOT = NO
    PCISLOT = 3
    PCIBUS   = 13
    FE_MEDIA = E1
    FE_LCODE = HDB3
    FE_FRAME = CRC4
    FE_LINE = 4
    TE_CLOCK = NORMAL # ALT NORMAL
    TE_REF_CLOCK    = 1 # ALT 0
    TE_SIG_MODE     = CCS
    TE_HIGHIMPEDANCE = NO


    LBO = 120OH
    FE_TXTRISTATE = NO
    MTU = 1500
    UDPPORT = 9000
    TTL = 255
    IGNORE_FRONT_END = NO
    TDMV_SPAN = 4
    TDMV_DCHAN = 16
    TDMV_HW_DTMF = NO
    TDMV_HW_FAX_DETECT = NO


    [w4g1]
    ACTIVE_CH = ALL
    TDMV_HWEC = NO











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  -- 
  BIPIN RAGHUVANSHI
  OPERATION HEAD
  ASTERISK (DEVELOPMENT AND RESEARCH)  
  WWW.EHORIZONS.IN
  bipinraghuvanshi at gmail.com
  bipin.singh at ehorizons.in



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