Garth Brown wrote:
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.
I recently got a Polycom IP 300 and am having a similiar problem. I
normally use Cisco 7940's and 60's but decided to try a less expensive
phone. On the same LAN, the 300 can make calls just fine, and check
voicemail. If a Cisco phone calls the Polycom, the phone rings, but when
answered there is no audio either direction. The codecs appear to match
up between the phones. The * CLI shows the Polycom as registered fine,
also. I'll keep you posted if I figure something out.
Mark
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