Hi, set the rx and tx gain 0 and check it. If possible use echo cancellation hardware . check the dahdi_test and irq of card. On Fri, Jun 21, 2013 at 12:11 PM, james.zhu <zhulizhong at live.com> wrote: > ** > 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 <bipinraghuvanshi at gmail.com> > *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 >> >> >> >> >> >> >> -- >> _____________________________________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> asterisk-ss7 mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >> > > > > -- > BIPIN RAGHUVANSHI > OPERATION HEAD > ASTERISK (DEVELOPMENT AND RESEARCH) > WWW.EHORIZONS.IN > bipinraghuvanshi at gmail.com > bipin.singh at ehorizons.in > > ------------------------------ > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > -- BIPIN RAGHUVANSHI OPERATION HEAD ASTERISK (DEVELOPMENT AND RESEARCH) WWW.EHORIZONS.IN bipinraghuvanshi at gmail.com bipin.singh at ehorizons.in -------------- next part -------------- An HTML attachment was scrubbed... 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