A few months ago we upgraded our server from Asterisk 220.127.116.11 on CentOS 5.9
to Asterisk 13.13.1 on CentOS 7. We are still using SIP not PJSIP. Since the upgrade our remote users’ conversions are choppy. Here is what my sip.conf looks like for the users with most problems:
any ideas? Monitoring using CLI, I noticed the device always select ulaw for codec.