[Asterisk-Dev] E1 clicking noise

[Shaul Grinberg]

    Hello,

We have a Digium E100P card. We use Asterisk.
When we call a SIP phone from the E1, the call is heard perfectly on both sides.
We have a problem when we call a phone on the E1 from SIP, using  the Dial application:  Dial(Zap/g1/209,20)
On the E1 phone we hear a disturbing clicking noise - a few each second -  during the call (on the Sip phone we hear OK).

Our configuration files are as follows:
Zaptel.conf
span=1,1,0,ccs,hdb3,crc4
bchan=1-15
dchan=16
bchan=17-31
loadzone=uk
defaultzone=uk

Zapata.conf

[channels]
switchtype=euroisdn
signalling=pri_net
pridialplan=unknown
immediate=yes
callerid=asreceived
context=incoming
group=1
adsi=no
echocancel=yes
channel => 1-15,17-31

     Any suggestions will be highly appreciated.

        Thanks,

         Shaul


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