| Feature
|
|---|
| Parser tests
|
| name-addr forms in To, From, Contact (e.g., John Doe <doe@foo>)
|
| line-folding
|
| extra LWS around colons and semicolons
|
| case-insensitive headers
|
| address lookup (use of SRV, UDP/TCP ordering)
|
| compact form of headers
|
| Parser robustness
|
| missing or wrong (UDP) content length
|
| extra garbage after request
|
| bogus request with random characters ignored
|
| incomplete request ignored
|
| Via header with spaces between /
|
| invalid URI in request (no method, no host, ...)
|
| Basic INVITE/200/ACK, UDP
|
| Basic INVITE/200/ACK, TCP
|
| Basic INVITE/302/ACK, UDP, single Contact
|
| Basic INVITE/302/ACK, UDP, multiple Contact
|
| Basic INVITE/302/ACK, TCP
|
| 400,500,600 responses understood by UAC
|
| Correct message format with SDP
|
| SDP: offer video and audio, with audio-only from other side
|
| UDP operation: respond to address in Via
|
| multiple requests in a UDP packet
|
| Via with maddr
|
| retransmission of requests and response, exponential back-off
|
| BYE to terminate session
|
| REGISTER, UDP unicast; current registration echoed; expiration
time accepted and shown
|
| REGISTER, UDP multicast
|
| REGISTER, TCP
|
| REGISTER expiration
|
| OPTIONS
|
| Max-Forwards
|
| proxy with ACK sent direct
|
| registration refreshed (tests Expires)
|
| registration adds another Contact header
|
| registration deletes all with Contact: *
|
| loop detection
|
| persistent TCP connections (multiple requests over one TCP connection)
|
| request merging
|
| re-INVITE's in user agents
|
| multicast INVITE's
|
| CANCEL understood by proxies/UAS
|
| UAS doesn't cancel a call if INVITE response sent when CANCEL received
|
| UTF-8 (maybe not)
|
| multicast audio sessions
|
| handles non-SDP payloads (doesn't need to parse it, just know it's not
SDP)
|
| Require and Proxy-Require headers
|
| SDP in ACK
|
| non-standard method (should send Allow in response)
|
| html or text in non-200 responses
|
| non-SIP URL's in Contact headers
|
| Canonicalization of requests and responses by proxy server
(i.e., conversion of requests to canonical format)
|