Dean Willis wrote: > It;s been proposed that we use #5: if tel: is known to be supported, and > #4 if it isn't. That's actually quite doable by adding a SIP extension > tag for "tel" to the Supported field of the request. > > How about: A node generating a redirect-to-PSTN in the caller's domain > MUST use a tel: URI if the request contains a "tel" option tag, and > SHOULD use a "[EMAIL PROTECTED];user=phone" construction if the > request does not contain such a tag.
Proxies can't muck with Supported headers so I'm not sure how this helps if it's a proxy in the caller's domain (as opposed to the UAC itself) that understands and acts on tel: URIs. Anders _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
