line), connection data ("c=&#34

Since it will frequently be necessary to add phone book attributes, the phone book format MUST support the addition of phone number, provider and service attributes

Whenever the Agent Advertisement contains the Challenge extension, if the mobile node does not have a security association with the Foreign Agent, then it MUST include

They allow to group together several "m" lines for two different purposes: for lip synchronization and for receiving media from a single flow (several media streams)

So, SIP entities generating an offer that uses the ANAT semantics SHOULD place the sdp-anat option-tag in a Require header

Nevertheless, offerers using this strategy should be aware that if the answerer chooses a connection value of ’new’, a new offer/answer exchange (typically initiated by

In this example, Alice wishes to establish separate audio streams, one for normal audio and the other for telephone-events.. Bob accepts both audio streams choosing the iLBC

As has always been the case, the default behavior when a source- filter attribute is not provided in a session description is that all traffic sent to the

This document defines the semantics that allow for grouping of Forward Error Correction (FEC) streams with the protected payload streams in Session Description Protocol