How to remove sips header in TLS protocol packet

Description

With TLS protocol, Yeastar P-Series IPPBX will send sips header in some packet, it's possible not to be accepted by particular sip operator and cause failing sip registration or call drop problem, this article guides on how to remove 'sips' header and make pbx send only 'sip' even with TLS protocol.

Applicable Devices

Model: Yeastar P-Series IPPBX

Firmware: X.7.0.51 or later

Steps

1 Acess PBX via SSH, the type command 'vi /ysdisk/support/customcfg/gncustom.conf', then type keyboard 'i', then add '/etc/asterisk/pjsip_outreg.conf', then save it(press keyboard Esc, then input :wq)

2 Create custom file pjsip_outreg_custom.conf under /ysdisk/support/customcfg with vi command.

support@IPPBX:~$ vi /ysdisk/support/customcfg/pjsip_outreg_custom.conf

3 Write down below content to the file pjsip_outreg_custom.conf. Then save it(press keyboard Esc, then input :wq)

[registration-basic](!)
unset_sips = yes

4. Create an extension and delete it again in web interface, click on 'Apply' button.

5. Test call.