H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 76/02 (2009.01) H04W 80/10 (2009.01) H04W 88/02 (2009.01) H04L 12/56 (2006.01)
Patent
CA 2722610
A method of call routing is pro-vided. The method comprises receiving a ses-sion initiation protocol (SIP) INVITE message that contains a uniform resource identifier (URI) of a called party and that identifies that a bearer for a call to the called party is to be set--up at least in part over the circuit switching do-main. The method also comprises determining a digit string associated with the URI. The method also comprises sending a SIP informa-tional response message having a contact head-er that contains information based on the digit string.
L'invention concerne un procédé destiné à router un appel. Ce procédé consiste à recevoir un message d'invitation de protocole de lancement de session (SIP) qui contient le système universel d'identification des ressources Internet (URI) d'un appelé et qui identifie le fait qu'un support destiné à un appel vers ledit appelé doit être configuré au moins partiellement sur le domaine de commutation de circuits. Ce procédé consiste également à déterminer une séquence de chiffres associée audit URI. En outre, le procédé consiste à envoyer un message informationnel de réponse SIP présentant un en-tête de contact qui contient des informations fondées sur ladite séquence de chiffres.
Allen Andrew
Bakker John-Luc
Buckley Adrian
Research In Motion Limited
Ridout & Maybee Llp
LandOfFree
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