An inbound XMPP JID (uri): from user1 to user2*domain2 is translated to a SIP URI: from sip:user1*domain1 to sip:user2
Where '*' is the domain_separator, and gateway_domain and xmpp_domain are defined below.
2-way dialback sequence with xmppd2:
Originating server (us) Receiving server (them) Authoritative server (us) ----------------------- ----------------------- ------------------------- | | | | establish connection | | |------------------------------>| | | send stream header | | |------------------------------>| | | send stream header | | |<------------------------------| | | send db:result request | | |------------------------------>| | | establish connection | |------------------------------>| | send stream header | |------------------------------>| | send stream header | |<------------------------------| | send db:result request | |------------------------------>| | send db:verify request | |------------------------------>| | send db:verify response | |<------------------------------| | send db:result response | |------------------------------>| | send db:verify request | |<------------------------------| | send db:verify response | |------------------------------>| | send db:result response | |<------------------------------| : : : : : : | outgoing <message> | : |------------------------------>| : | incoming <message> | |------------------------------>|
Note: Dialback is an old mechanism that is now replaced by TLS connections in "modern" XMPP servers. With TLS, dialback is not used.
1.5.6