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2025-08-21 01:07:07 +00:00

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$TTL 1h
@ IN SOA ns.e164.arpa. root.e164.arpa. (
2009010918 ;serial
3600 ;refresh
3600 ;retry
3600 ;expire
3600 ;minimum TTL
)
@ IN NS e164.arpa.
@ IN A DNS_IP
; Wildcard to match any tel:+xxxx and change to sip:xxxx@IMS_DOMAIN
* IN NAPTR 10 100 "u" "E2U+sip" "!(^.*$)!sip:\\1@IMS_DOMAIN!" .
; Record to route calls starting with DE +49 to IBCF :
*.9.4 IN NAPTR 20 100 "u" "E2U+sip" "!(^.*$)!sip:\\1@ibcf.IMS_DOMAIN!" .
; Add more country codes to route over IBCF using the same format as below. You may need also to adjust the dialplan in Asterisk, e.g. for UK +44:
; *.4.4 IN NAPTR 20 100 "u" "E2U+sip" "!(^.*$)!sip:\\1@ibcf.IMS_DOMAIN!" .