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1. (WO2007003050) VOICE SYNCHRONIZATION DURING CALL HANDOFF
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/003050 International Application No.: PCT/CA2006/001096
Publication Date: 11.01.2007 International Filing Date: 04.07.2006
IPC:
H04W 36/14 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
36
Handoff or reselecting arrangements
14
Reselecting a network or an air interface
Applicants:
RESEARCH IN MOTION LIMITED [CA/CA]; 295 Phillip Street Waterloo, Ontario N2L 3W8, CA (AllExceptUS)
KEZYS, Vytautas, Robertas [CA/CA]; CA (UsOnly)
Inventors:
KEZYS, Vytautas, Robertas; CA
Agent:
RIDOUT & MAYBEE LLP; One Queen Street East Suite 2400 Toronto, Ontario M5C 3B1, CA
Priority Data:
60/696,22305.07.2005US
Title (EN) VOICE SYNCHRONIZATION DURING CALL HANDOFF
(FR) SYNCHRONISATION VOCALE DURANT UN TRANSFERT D'APPEL
Abstract:
(EN) A method, mobile electronic device and system for synchronizing hand-off of a voice media session between a WAN/cellular network and a WLAN network. When a hand-off occurs, the connection with both networks is temporarily maintained and the voice data on both connections compared to determine differences in the delays experienced over both connections. The timing of one or both voice streams is adjusted to synchronize the voice streams, and then the handoff is completed.
(FR) L'invention concerne un procédé, un dispositif électronique mobile et un système permettant la synchronisation de transfert d'une session média vocale entre un réseau WAN/cellulaire et un réseau WLAN. Lorsqu'a lieu un transfert, la connexion avec les deux réseaux est maintenue temporairement et les données vocales sur les deux connexions sont comparées pour déterminer des différences dans les retards subis sur les deux connexions. La synchronisation d'un flux vocal ou des deux flux vocaux est ajustée afin de synchroniser ces flux vocaux puis le transfert est effectué.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP2056640EP1900239CN101268710CA2614218IN256/DELNP/2008