[asterisk-users] How does Ast use IP vs FQDN for SIP header fields

Telium Technical Support support at telium.ca
Thu Aug 4 14:20:25 CDT 2016

We are working with an ISP that needs Asterisk to place a FQDN name in the
SIP 'FROM' and 'INVITE' fields - where Asterisk is currently using an IP
address.  A SIP trace shows the following from my Asterisk box:


INVITE sip:62351155 at SIP/2.0

Via: SIP/2.0/UDP;branch=z9hG4bK49f1d30e

From: "MYNAM" <sip:+12345678 at>;tag=as3d9596b0


We tried adding hosts file entries mapping these IP's to hostname's but
Asterisk didn't use them.  Can someone suggest how to do this?



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