US 7,573,907 B2
Discontinuous transmission of speech signals
Ari Lakaniemi, Helsinki (Finland)
Assigned to Nokia Corporation, Espoo (Finland)
Filed on Aug. 22, 2006, as Appl. No. 11/509,330.
Prior Publication US 2008/0049785 A1, Feb. 28, 2008
Int. Cl. H04J 3/16 (2006.01); H04J 3/06 (2006.01)
U.S. Cl. 370—468  [370/517] 27 Claims
OG exemplary drawing
 
1. A method comprising:
providing packets for a discontinuous transmission of a speech signal via a packet switched network in shorter transmission intervals during an active state and in longer transmission intervals during an inactive state, said active state being selected whenever a speech signal comprises a speech burst, optionally with a hangover period after a respective speech burst; and
enforcing an active state in addition for a predetermined period at a beginning of a transmission session, irrespective of a presence of speech bursts, a length of said predetermined period exceeding a length of said hangover periods in case hangover periods are used.