[SIP Beyond VoIP] New SIP SIMPLE client SDK 0.30 release with Presence, GRUU, MSRP Switch and XMPP interoperability

[Juha Heinanen]

Steve Parrish writes:

> But 'Expires: 0' indicates that the SUBSCRIBE is to "un-subscribe" and I 
> think your reference to the spec refers to a SUBSCRIBE for a
> subscription.

it does not say "for a NEW subscription".  SUBSCRIBE message is "for a
subscription" also when it is re-SUBSCRIBE.

-- juha