SER can not receive PSTN call directorily..... On 8/9/05, Victor Alvarez <[EMAIL PROTECTED]> wrote: > Hi, > > I'm trying to transfer an incoming call from the PSTN to another PSTN > number through a SER - Asterisk system. SER doing only routing.. > pstn call-> SER -> asterisk (call forward) -> SER -> pstn > > Logic for SER: If something comes from the pstn, send it to asterisk. If > something comes from asterisk, send it to the pstn. > > Every time I am getting a "Got SIP response 481 "Invalid CSeq Number back > from" SER. And the call terminates. Canreinvite makes a small difference > here, If I have canreinvite=yes, I am able to talk only in one direction and > for a few seconds. With canreinvite=no, CSeq error appears in the very > moment you pick up the phone. So every time the phone rings but It is not > possible to talk. > > At this point, I must confess I am lost. First, I don't know if this loop is > possible (pstn call-> SER -> asterisk -> SER -> pstn), I tried it with two > SER machines (pstn call-> SER1 -> asterisk -> SER2 -> pstn) getting the same > result, CSeq comes from SER1. If it is possible, I don't know the issues > with this configuration. The forwarding works fine internally, I mean, > extension 22 calling 25 which is forwarded to my mobile phone. Problem comes > when It is a pstn number calling 25. The connection pstn->SER->asterisk-> UA > is also perfect. I never had any problem transferring calls through > asterisk, it seems that, for some reason, things get worse when SER is an > intermediary in the communication. > > Could anybody help me here, please? > > Victor. > _______________________________________________ > Asterisk-Users mailing list > [email protected] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > >
-- Bin Zhang _______________________________________________ Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
