We're having too frequent complaints in conjunction with Grandstream phones and very stuttery/choppy sound, usually outgoing to land lines, to the point of being unintelligible, but also on internal voicemail messages. Our voice LAN is a dedicated 100Mb ethernet switch for voice, and no general network traffic.
Thanks, Ryan
On Apr 14, 2004, at 4:26 PM, Rich Adamson wrote:
For those that might be using Cisco 7940/7960 sip phones and placing calls across an iax2 link, we think the voice quality problem has been identified and corrected. The dev cvs should be updated as of about 3:30pm CDT today (April 14).
<snip>
If you use iax2 and Cisco sip phones, please update from cvs and give it a
try. I am not aware of any other sip phone vendor that is sensitive to
these timestamps, but there could be others.
Keep in mind the fix addresses iax2 timestamp problems "at the distant
end", therefore iax updates will be required at both ends of an iax link
to address the end-to-end audio quality problem.
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