[asterisk-ss7] setting up two asterisk server as ss7 back to back.

[Anton]

In Pre 3.0 sangoma wanpipe drivers you need to add
TDMV_HWEC_PERSIST_DISABLE = YES to avoid echocanceler 
working all of the time and so corrupting digital data
sangoma tells that in 3+ this is fixed but i did not try it.

On Monday 03 December 2007, Goke M Aruna wrote:
> On 12/3/07, Anton <anton.vazir at gmail.com> wrote:
> > Try to switch off the hardware echo canceler
> > TDMV_HWEC       = YES
> >
> > On Monday 03 December 2007, Goke Aruna wrote:
> > > I have used asterisk-1.4.14, zaptel-1.4.7,
> > > chan_ss7-1.0.0 on FC7 all went okay. using sangoma
> > > a104dx on both machine.
> > >
> > > I followed the write up on
> > > http://www.voip-info.org/wiki/index.php?page=Asterisk
> > >+ss7 +setup
> > >
> > > I have the cross over cable between them.
> > >
> > > however, wanpipe shows connected but the signaling
> > > link does not align.
> > >
> > > i have my configs for host A
> > >
> > > ##wanpipe1.conf
> > >
> > > [devices]
> > > wanpipe1 = WAN_AFT_TE1, Comment
> > >
> > > [interfaces]
> > > w1g1 = wanpipe1, , TDM_VOICE, Comment
> > >
> > > [wanpipe1]
> > > CARD_TYPE       = AFT
> > > S514CPU         = A
> > > CommPort        = PRI
> > > AUTO_PCISLOT    = NO
> > > PCISLOT         = 4
> > > PCIBUS          = 15
> > > FE_MEDIA        = E1
> > > FE_LCODE        = HDB3
> > > FE_FRAME        = NCRC4
> > > FE_LINE         = 1
> > > TE_CLOCK        = MASTER
> > > TE_REF_CLOCK    = 0
> > > TE_HIGHIMPEDANCE        = NO
> > > LBO             = 120OH
> > > TE_SIG_MODE     = CCS
> > > FE_TXTRISTATE   = NO
> > > MTU             = 1500
> > > UDPPORT         = 9000
> > > TTL             = 255
> > > IGNORE_FRONT_END = NO
> > > TDMV_SPAN       = 1
> > > TDMV_DCHAN      = 0
> > >
> > > [w1g1]
> > > ACTIVE_CH       = ALL
> > > TDMV_ECHO_OFF   = NO
> > > TDMV_HWEC       = YES
> > >
> > >
> > > # zaptel.conf
> > >
> > > loadzone=uk
> > > defaultzone=uk
> > >
> > > span=1,1,0,ccs,hdb3
> > > bchan=1-31
> > >
> > > ### ss7.conf
> > >
> > > [linkset-ennie]
> > > enabled => yes
> > > use_connect => yes
> > > enable_st => no
> > > hunting_policy => odd_lru
> > > subservice => auto
> > > context = default
> > >
> > > [link-l1]
> > > linkset => ennie
> > > channels => 1-15,17-31
> > > schannel => 16
> > > firstcic => 1
> > > enabled => yes
> > >
> > > [link-l2]
> > > linkset => ennie
> > > channels => 1-31
> > > schannel =>
> > > firstcic => 33
> > > enabled => yes
> > >
> > > [link-l3]
> > > linkset => ennie
> > > channels => 1-31
> > > schannel =>
> > > firstcic => 65
> > > enabled => no
> > >
> > > [link-l4]
> > > linkset => ennie
> > > channels => 1-31
> > > schannel =>
> > > firstcic => 97
> > > enabled => no
> > >
> > > [host-A]
> > > enabled => yes
> > > opc => 998
> > > dpc => ennie:98
> > > links => l1:1
> > >
> > >
> > > for the slave host B
> > >
> > > ##wanpipe1.conf
> > >
> > > [devices]
> > > wanpipe1 = WAN_AFT_TE1, Comment
> > >
> > > [interfaces]
> > > w1g1 = wanpipe1, , TDM_VOICE, Comment
> > >
> > > [wanpipe1]
> > > CARD_TYPE       = AFT
> > > S514CPU         = A
> > > CommPort        = PRI
> > > AUTO_PCISLOT    = NO
> > > PCISLOT         = 4
> > > PCIBUS          = 15
> > > FE_MEDIA        = E1
> > > FE_LCODE        = HDB3
> > > FE_FRAME        = NCRC4
> > > FE_LINE         = 1
> > > TE_CLOCK        = NORMAL
> > > TE_REF_CLOCK    = 0
> > > TE_HIGHIMPEDANCE        = NO
> > > LBO             = 120OH
> > > TE_SIG_MODE     = CCS
> > > FE_TXTRISTATE   = NO
> > > MTU             = 1500
> > > UDPPORT         = 9000
> > > TTL             = 255
> > > IGNORE_FRONT_END = NO
> > > TDMV_SPAN       = 1
> > > TDMV_DCHAN      = 0
> > >
> > > [w1g1]
> > > ACTIVE_CH       = ALL
> > > TDMV_ECHO_OFF   = NO
> > > TDMV_HWEC       = YES
> > >
> > >
> > > # zaptel.conf
> > >
> > > loadzone=uk
> > > defaultzone=uk
> > >
> > > span=1,0,0,ccs,hdb3
> > > bchan=1-31
> > >
> > > ### ss7.conf
> > >
> > > [linkset-mahmud]
> > > enabled => yes
> > > use_connect => yes
> > > enable_st => no
> > > hunting_policy => odd_lru
> > > subservice => auto
> > > context = default
> > >
> > > [link-l1]
> > > linkset => mahmud
> > > channels => 1-15,17-31
> > > schannel => 16
> > > firstcic => 1
> > > enabled => yes
> > >
> > > [link-l2]
> > > linkset => mahmud
> > > channels => 1-31
> > > schannel =>
> > > firstcic => 33
> > > enabled => no
> > >
> > > [link-l3]
> > > linkset => mahmud
> > > channels => 1-31
> > > schannel =>
> > > firstcic => 65
> > > enabled => no
> > >
> > > [link-l4]
> > > linkset => mahmud
> > > channels => 1-31
> > > schannel =>
> > > firstcic => 97
> > > enabled => no
> > >
> > > [host-B]
> > > enabled => yes
> > > opc => 98
> > > dpc => mahmud:998
> > > links => l1:1
> > >
> > >
> > >
> > > Can someone advice on the way forward or has anyone
> > > implemented chan_ss7-1.0.0.
> > >
> > > Thanks
> > >
> > > Goksie
> > >
> > >
> > > _______________________________________________
> > > --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
>
> Thanks Anton.
>
> It worked that way as suggested though I tried to avoid
> not turnning it off.
>
> Goksie