Invention Grant
US08955089B2 “Push” keep-alive mechanism for SIP user agents located behind NATS/firewalls
有权
NAT /防火墙后面的SIP用户代理的“推”保持机制
- Patent Title: “Push” keep-alive mechanism for SIP user agents located behind NATS/firewalls
- Patent Title (中): NAT /防火墙后面的SIP用户代理的“推”保持机制
-
Application No.: US12963278Application Date: 2010-12-08
-
Publication No.: US08955089B2Publication Date: 2015-02-10
- Inventor: Alexander Shatsky
- Applicant: Alexander Shatsky
- Applicant Address: CA Waterloo, Ontario
- Assignee: BlackBerry Limited
- Current Assignee: BlackBerry Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Conley Rose, P.C.
- Agent J. Robert Brown, Jr.
- Main IPC: G06F15/16
- IPC: G06F15/16 ; H04L29/06 ; H04L29/12 ; H04W12/00 ; H04W4/14
Abstract:
A user equipment (UE) and method is provided having one or more components configured to receive a non-session initiation protocol (SIP) notification from a SIP entity and in response to send a ping request to the SIP entity, the one or more components further configured to receive a SIP request from the SIP entity. A network component and method is also provided that include one or more components configured to send a non-session initiation protocol (SIP) notification to a user equipment (UE) and to receive a ping request from the UE and further to send a SIP request to the UE.
Public/Granted literature
- US20120151571A1 "Push" Keep-Alive Mechanism For SIP User Agents Located Behind NATS/Firewalls Public/Granted day:2012-06-14
Information query
