[Asterisk-Users] Help with sip setup because can't receive calls

[abc def]

Hi 
  I basically allow=all and NAT=no for all the phones. but still can't see why I can't receive calls (i.e. in-bound) but I can make outbound calls. also there is no debuging on pbx for sip (unless it's outbound call).
  do you have anymore advice?
   
  thanks
  Ama

Md Sani Johari <sanijohari at trisys.com.my> wrote:
          hi abc def,
   
   
  what type of voice codec that phone use. Maybe it can't support. 
  I also have same problem my sip phone, when i change the voice codec from  g729 to g711 ulaw, then it work find.
   
  also make sure wether your sip is behind the router or not..
  nat=never
  or
  nat=1
   
   
   
   
    ----- Original Message ----- 
  From: abc def 
  To: asterisk-users at lists.digium.com 
  Sent: Wednesday, January 25, 2006 8:58 PM
  Subject: [Asterisk-Users] Help with sip setup because can't receive calls
  

    Hi all,
  I read many posts on asterisk mail site and been trying many different things but still I can't get my sip phones to work with asterisk.
  I have a full blown-up voip netwok with two asterisk servers connected 
to pstn network with iax phones and cisco sccp phones which all work fine. 
however, I have been struggeling to configure my sip phones (polycom 601, Aastra 480i and cisco 9760) to work with asterisk. I can call out from sip phones to anywhere else but not receive phone calls. I can see the phones on "sip show registry" and "sip show peers" but no track phone calls for sip.
   
  can you please shed some light on me how to go about solving this 
problem?
   
  thank you and best regards,
  Ama


    
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