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Key Features of UCMA 2.0 Core SDK

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Developers can use the key features listed in this topic to create multimodal and multiparty communication and collaboration applications with Enhanced Presence capabilities.

  • Integrated support for Instant Messaging (IM)

  • Integrated support for audio, with Secure Real-time Transport Protocol (SRTP), early media, and multiple codec selection

  • Common telephony features enabled by means of a reusable signaling framework (transfers, forwards, caller on hold, and other operations)

  • Integrated audio devices: recorder, player, tone controller for Dual-Tone Multiple-Frequency (DTMF), and connectors for speech recognition and speech synthesis

  • Loose coupling between signaling and media, allowing back-to-back and scenarios such as media-enabled Web clients

  • User impersonation

  • Conferencing features (control and monitoring): anonymous user join, trusted user join

  • Multimodal escalation-to-conference helpers for instant messaging calls

    Developers who implement a custom audio provider can provide support for escalation-to-conferencing for the custom media type.

  • Platform extensibility by means of the factory-based Call and MediaProvider classes

    Developers can extend the UCMA 2.0 Core SDK platform to handle a new media type by creating custom Call, MediaProvider, and MediaFlow subclasses that work with the new media type.

  • Conference retrieval from PSTN conference ID

  • Publishing framework based on presence manifest

    (Note that in the UCMA 2.0 Core SDK the manifest is predefined, and follows the same rules for presence publication as Office Communicator 2007.

  • Automatic user endpoint bootstrapping based on container manifest

The following features apply only to UserEndpoint type, not the ApplicationEndpoint type.

  • Contact object registration

  • Contact list creation and management

  • Contact organizations in provided or custom groups

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