Advances in the Internet and telecommunications technologies have spurred many research efforts in Internet-based unified communication systems, which integrate heterogeneous devices and networks (PSTN, cellular networks, or the pager networks). Nonetheless, these systems lack support for a systematic, easy, flexible way of customizing and creating services at the system level as well as at the user level. In this paper, we present such a service creation model by exposing a limited set of primitives from a call model that is network and device independent. Our model and framework not only supports the traditional telephony call services easily, but also enables novel way<\/p>\n","protected":false},"excerpt":{"rendered":"
Advances in the Internet and telecommunications technologies have spurred many research efforts in Internet-based unified communication systems, which integrate heterogeneous devices and networks (PSTN, cellular networks, or the pager networks). Nonetheless, these systems lack support for a systematic, easy, flexible way of customizing and creating services at the system level as well as at the […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"IEEE","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"IEEE International Conference on Communications","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"IEEE International Conference on Communications","msr_doi":"","msr_arxiv_id":"","msr_s2_paper_id":"","msr_mag_id":"","msr_pubmed_id":"","msr_other_authors":"","msr_other_contributors":"","msr_speaker":"","msr_award":"","msr_affiliation":"","msr_institution":"","msr_host":"","msr_version":"","msr_duration":"","msr_original_fields_of_study":"","msr_release_tracker_id":"","msr_s2_match_type":"","msr_citation_count_updated":"","msr_published_date":"2001-06-01","msr_highlight_text":"","msr_notes":"","msr_longbiography":"","msr_publicationurl":"https:\/\/pdfs.semanticscholar.org\/dce7\/68e725ca1492203bcf7f553a4cdd8f3826b1.pdf","msr_external_url":"","msr_secondary_video_url":"","msr_conference_url":"","msr_journal_url":"","msr_s2_pdf_url":"","msr_year":0,"msr_citation_count":0,"msr_influential_citations":0,"msr_reference_count":0,"msr_s2_match_confidence":0,"msr_microsoftintellectualproperty":true,"msr_s2_open_access":false,"msr_s2_author_ids":[],"msr_pub_ids":[],"msr_hide_image_in_river":0,"footnotes":""},"msr-research-highlight":[],"research-area":[13547],"msr-publication-type":[193716],"msr-publisher":[],"msr-focus-area":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-334544","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-systems-and-networking","msr-locale-en_us"],"msr_publishername":"IEEE","msr_edition":"IEEE International Conference on Communications","msr_affiliation":"","msr_published_date":"2001-06-01","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"","msr_number":"","msr_editors":"","msr_series":"","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"","msr_publicationurl":"https:\/\/pdfs.semanticscholar.org\/dce7\/68e725ca1492203bcf7f553a4cdd8f3826b1.pdf","msr_doi":"","msr_publication_uploader":[{"type":"url","title":"https:\/\/pdfs.semanticscholar.org\/dce7\/68e725ca1492203bcf7f553a4cdd8f3826b1.pdf","viewUrl":false,"id":false,"label_id":0}],"msr_related_uploader":"","msr_citation_count":0,"msr_citation_count_updated":"","msr_s2_paper_id":"","msr_influential_citations":0,"msr_reference_count":0,"msr_arxiv_id":"","msr_s2_author_ids":[],"msr_s2_open_access":false,"msr_s2_pdf_url":null,"msr_attachments":[{"id":0,"url":"https:\/\/pdfs.semanticscholar.org\/dce7\/68e725ca1492203bcf7f553a4cdd8f3826b1.pdf"}],"msr-author-ordering":[{"type":"user_nicename","value":"helenw","user_id":31994,"rest_url":"https:\/\/new-cm-edgedigital.pages.dev\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=helenw"},{"type":"text","value":"Ascan Morlang","user_id":0,"rest_url":false},{"type":"text","value":"Randy H. 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