The Asterisk auto answers can be a handy feature for when you want to broadcast to one or multiple phones or speakers at the same time.
In today's post, I am going to show you a few examples of how to auto-answer incoming calls from the Asterisk dial plan.
Auto answer with SipAddHeader
exten => 100,1,SIPAddHeader(Call-Info:<sip:>\;answer-after=0)
exten => 100,n,Dial(PJSIP/200)
Auto answer with SetVar
exten => 100,1,SetVar(_ALERT_INFO=info=alert-autoanswer)
exten => 100,n,Dial(PJSIP/200)
Auto answer with Set
exten => 100,1,Set(__SIPADDHEADER=Alert-Info: \;info=alert-autoanswer)
exten => 100,n,Dial(PJSIP/200)
When you set the auto-answer settings in your Asterisk, don't forget to also allow auto-answer on your device. Most devices have an auto-answer option at the settings page that needs to be selected.