Pekka,

Perhaps I'm not setting the correct tag?  This is what I've tried:

1) Set SIPTAG_REQUIRE_STR("100rel") in a call to nua_set_params()
   after nua_create().
2) Set SIPTAG_REQUIRE_STR("100rel") in the nua_handle() call
   before nua_register(). 
3) Set SIPTAG_REQUIRE_STR("100rel") in a call to
   nua_set_params() in my NUA process after receipt of the
   nua_i_invite event (prior to the nua_respond() call).
4) Set SIPTAG_REQUIRE_STR("100rel") in the nua_respond() call.

Best Regards,
Jerry


-----Original Message-----
From: Pekka Pessi [mailto:ppe...@gmail.com] 
Sent: Friday, May 15, 2009 9:29 AM
To: Jerry Richards
Cc: sofia-sip-devel@lists.sourceforge.net
Subject: Re: [Sofia-sip-devel] "Require: 100rel" in 180 Ringing Message

2009/5/15 Jerry Richards <jer...@tonecommander.com>:
> If I invoke nua_respond(nh, 180, "Ringing", 
> SIPTAG_REQUIRE_STR("100rel")) alone, then sofia doesn't send out the 180
Ringing message at all.

Does your client indicate that it supports 100rel? If not, then Sofia eats
your 180.

--
Pekka.Pessi mail at nokia.com


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