----- Original message ----- > On 10/11/2010 03:46 AM, Stefan Sayer wrote: > > > If you read 7.4 sixth paragraph in rfc4028 again, you'll see that it > > is always relative to the current request. In fact it is RECOMMENDED > > that sems adds refresher=uac in order to not swap roles (but then it > > should also add Require: timer). Actually, for sst b2b it may be > > desirable to try to swap roles to have the refresh going e2e instead > > of originated from the middle. > > Does it really matter in this case, given that one of the endpoints > (the terminating PSTN_GW) does not support timers? Yes. SST support is only about negotiating who and when the refresh is done and that not both sides do it; the refresh itself is normal reinvite/update.
> > -- > Alex Balashov - Principal > Evariste Systems LLC > 1170 Peachtree Street > 12th Floor, Suite 1200 > Atlanta, GA 30309 > Tel: +1-678-954-0670 > Fax: +1-404-961-1892 > Web: http://www.evaristesys.com/ _______________________________________________ Sems mailing list [email protected] http://lists.iptel.org/mailman/listinfo/sems
