[Asterisk-Users] Ring but now audio on answer

[Garth Brown]

I have my Asterisk server all setup.  But have an odd problem and hope
someone here can help.

 

I have a Polycom IP 300, a Grandstream GXP-2000, and an installation of
X-Lite.  They can each call each other just fine (extension-to-extension).
I can also dial-in from the outside (via Broadvoice) and can leave and
retrieve voicemails.  When I set ANY of the extensions (clients mentioned
above) to the default extension from the SIP provider, the phone rings and
shows CID - BUT, when I answer the phone, there is no audio either way.

 

I thought this was a firewall issue but the clients ring and I CAN leave and
retrieve voicemail.  My next assumption is that it is some codec issue.  The
Polycom defaults to G.711u.  I've tried changing this to G.729AB - but there
problem persisted.

 

Any ideas?  Thanks in advance.

 

 

 

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