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SIP wg: New Drafts PowerPoint Presentation
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SIP wg: New Drafts
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  1. SIP wg: New Drafts Jonathan Rosenberg dynamicsoft

  2. Increasingly important to get SIP through firewalls and NATs Draft describes Controls needed to be exercised on a firewall to get media streams through SIP ALG for NAT, both application layer and IP layer Controls needed to be exercised on a NAT to get SIP and media through Standard remote-control protocol for NAT and firewall control would be VERY NICE Gotchas! 183, re-INVITEs, forwarding, etc. Where to go from here? Foglamps BoF Wed 1pm for more info Should this be a wg item? Should this be a new wg? Not really a proposed standard, perhaps informational? SIP through Firewalls and NATs

  3. Problem: How does a proxy learn which of its local gateways to use for routing calls? One solution: SIP REGISTER Been proposed on list at least twice Bad idea Better Solution: TRIP Big complaint: too complex However, turns out a very minimal subset is needed Discussed during iptel session Monday Check it out… draft-rs-trip-gw-00.txt Usage of TRIP for GW registration