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 -------------- next part -------------- An HTML attachment was scrubbed... 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