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What is a SIP Trunk Anyway?!?

What is a SIP Trunk Anyway?!?. Jonathan Rosenberg Cisco. Is this a SIP Trunk?. Problem Definition. “SIP Trunk” is in common usage as a term and technology concept Enterprise to SP Links Inter-PBX connections General server SIP interfaces However, no definition of What it is What it does

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What is a SIP Trunk Anyway?!?

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  1. What is a SIP Trunk Anyway?!? Jonathan Rosenberg Cisco

  2. Is this a SIP Trunk?

  3. Problem Definition • “SIP Trunk” is in common usage as a term and technology concept • Enterprise to SP Links • Inter-PBX connections • General server SIP interfaces • However, no definition of • What it is • What it does • How to identify one

  4. SIP Trunk is a virtual SIP entity on a server constrained by policy Typically defined to support a set of extensions and perform specific request processing Identified by a SIP URI in Route header Examples: PSTN routing trunk IVR trunk Proposed Solution INVITE sip:+17328374233@1.2.3.4 Route: sip:pstnxcnnct@example.com SIP Server This is UA loose routing applied to servers!!

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