[asterisk-users] ptime

Joshua C. Colp jcolp at digium.com
Tue Sep 3 09:01:46 CDT 2019

On Tue, Sep 3, 2019, at 10:52 AM, Dan Cropp wrote:
> We have a customer with a system rejecting calls from Asterisk. It’s 
> indicating the ptime is 60, but the system admin is saying they only 
> support 20.
> They are running asterisk 16.2.1 and using chan_sip
> Is there a way to specify this with chan_sip?

The ptime is specified the same way in both chan_sip and chan_pjsip, with the codec. For example:


I don't know why it would have been offering 60ms though. What codecs were allowed?

Joshua C. Colp
Digium - A Sangoma Company | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org

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