Commit
2016efc1161258b22fb16b1050e2311302c6cfe4
by Pau Espin Pedrolasterisk: pjsip.conf: Mark templates accordingly
Mark templates as such, in order to remove error messages during
asterisk setup when trying to apply the templates (which lack fields
such as "username", provided by config sections using the templates).
Reference: https://docs.asterisk.org/Fundamentals/Asterisk-Configuration/Asterisk-Configuration-Files/Templates/Template-Syntax/
Change-Id: Ia132c2e90cf6ee44145ca2e2555cf2dc6c1cfd51