ChangelogPhobosToDeimos

Complete change logs are available for ptlib and opal

Changes of note are:

• Improve detection of local Speex libraries so they are used instead of Opal-unique copy
• Allow remote SIP endpoints to select different payload codes for codecs
• Add ability to disable H.245 negotiation for a call
• Add ability to compile on MacOSX on Open Solaris
• Add SRV lookups for SIP
• Add image SDP type
• Port audio plugin manager from OpenH323
• Add support for video plugins
• Multiple changes to improve locking
• Add H.224/H.281 implementation
• Add H.460 support
• Add support for SIP Q.931 release code mapping as per RFC 3398
• Add support for multiple INVITEs
• Large updates to IAX code
• Make GSM codec adaptive to support MS-GSM format
• Add SRTP support
• Add support for SIP INFO
• Add SIP presence and RFC3856, RFC3903, RFC3863, RFC3265 support
• Add SIP T.38 support
• Add H.264 and H.263-1998 support