Asterisk Multifon.ru PJSIP wizard setup

pjsip_wizard.conf

[multifon]
type=wizard
sends_auth=yes
sends_registrations=yes
transport=transport-udp
remote_hosts=sbc.megafon.ru
outbound_auth/username=7926xxxxxxx
outbound_auth/password=xxxxxxxxxxxxxxxx
registration/contact_user=7926xxxxxxx
server_uri_pattern=sip:multifon.ru
client_uri_pattern=sip:${USERNAME}@multifon.ru
endpoint/allow=alaw
endpoint/context=from-external
endpoint/from_user=7926xxxxxxx
endpoint/from_domain=multifon.ru
endpoint/dtmf_mode=inband
endpoint/direct_media=no
endpoint/language=ru