...
Nominal Offer/Answer (Single Media Stream)
| Info |
|---|
Each of the tests with a Single Media Stream should be repeated for each media stream that a channel driver supports, i.e., audio, video, RTT, etc. |
Offer Negotiation - Nominal
...
All use cases covered in Nominal Offer/Answer (Single Media Stream) apply here as well, save that there should be a single audio media stream and a single video streammultiple streams of different types. Asterisk should treat the preferred codec offer in the same fashion for each stream independently; that is, if the preferred codec list is ulaw,g722,h261,h264, then the preferred audio codec is ulaw and the preferred video codec is h261.
| Info |
|---|
Each of the following tests be repeated to include multiple media streams in various combinations:
|
Restricted Offer/Answer (Single Stream)
...
All of the scenarios in Invalid Format Offer/Answer apply, only with a single audio and a single video stream. Streams can be declined, or the entire offer can be declined with a 488 as appropriate.
Multiple Channels
Nominal Offer/Answer
- Alice sends an INVITE request with an offer containing a set of codecs. The offer is a complete match with the set of codecs configured for Alice's endpoint.
- Asterisk dials Bob. Bob's endpoint is configured with the same set of codecs, in the same order.
- Bob's response to the INVITE request contains the same set of codecs as the offer. Asterisk responds to Alice with her set of configured codecs.
- Alice and Bob are bridged using the same formats, with the same priority order.
...