Carsten Bock writes:
> We did agree, that SDP would probably never contain both IPv4 or IPv6
> addresses. RFC 6157 (https://tools.ietf.org/html/rfc6157, "IPv6
> Transition in the Session Initiation Protocol (SIP)") also recommends
> using ICE for SIP-IPv4/IPv6 dual-stack.
ok, i need to read it.
> If we follow this RFC and typical UA's, we will always have
> "either/or" rather than "and".
> However, i've never seen any dual-stack SIP-Endpoints so far.
at least cisco ios gateways support dual stack:
protocol mode ipv4 | ipv6 | dual-stack [preference {ipv4 | ipv6}]}
so what should sip proxy do when $rd is domain name?
-- juha
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