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'PUSH' KEEP-ALIVE MECHANISM FOR SIP USER AGENTS LOCATED BEHIND NATS/FIREWALLS
'PUSH' KEEP-ALIVE MECHANISM FOR SIP USER AGENTS LOCATED BEHIND NATS/FIREWALLS
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机译:位于NAT /防火墙后面的SIP用户代理的“推送”保持活动机制
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摘要
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.
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