[phones]
{% for extension in extensions %}
exten => {{ extension.number }},1,Dial(PJSIP/{{ extension.number }})
exten => {{ extension.number }},n,Voicemail({{ extension.voicemail }})
exten => {{ extension.number }},n,Hangup()
exten => {{ extension.number }},hint,PJSIP/{{ extension.number }}
{% endfor %}