I can make internal calls but I can't make calls to the pstn (ie through the gateway). I hear the pstn phone ring once and the call terminates automatically. Also, I cannot make calls to the softphone from the pstn.
What codec are you using? Are you using g.711 or g.729? Are you sure the as5300 can ping the softphone pc. What happens when you try to call the softphone from the pstn. Have you looked at a detail ccm trace for an inbound or outbound call? What does debug isdn q931 show on the 5300? Specifically who is disconnecting the call the pstn or 5300/CCM?
You're right- the problem seems to be the codec. I have a test Call Manager running ccm 3.1 and when I used this in the configuration it worked fine. The only difference was that the relevant codec was 'wideband' (between the regions). It didn't work (excternal calls) when I changed the codec to g711, g729, g723.
CCM 3.0 doesn't have a wideband setting and external calls still aren't working. DOes CCM3.0 support softphone?
I have exactly the same problem as you, except I cannot solve it with the same solution.
I'm using SoftPhone, IP phones, and also Netmeeting H323 clients.
All my infrastructure is working fine when we place calls internally, and it's working fine when we place calls to external world from IP phones AND from Netmeeting workstations that are registered on the CCM!
Only with softphone, when I call outside, it rings one time only, and then hang up.
I really don't understand what is the difference between an IP phone or a Neetmeeting, which are registered on the CCM in the same region, and a SoftPhone which share also the same definition!
I'm pretty sure also there is a CODEC problem, but contrary to Netmeeting, with SoftPhone we cannot manage easily the CODEC definition on the workstation.
And changing on the CCM, does not changes anything.
So, what did you change exactly on the CCM, and do you have any idea of this other problem ?
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