Polycom 7000 manual How Dial Rule Actions Affect SIP Headers, Dial rule action Output SIP headers

Call Server Configuration

Function name and parameters	Details
getPeerPort()	Return value:
	• If invoked from an External SIP Peer postliminary script, returns the IP
	network Port configured for this SIP peer.
	• Otherwise, returns the empty string.
getPeerTransport()	Return value:
	• If invoked from an External SIP Peer postliminary script, returns the
	Transport type configured for this SIP peer.
	• Otherwise, returns the empty string.

How Dial Rule Actions Affect SIP Headers

The following table shows how different dial rule actions apply a preliminary script’s modified dial string to the output SIP headers in a SIP call.

Dial rule action	Output SIP headers
Resolve to registered endpoint	The To header is replaced with the modified dial string. The request URI is
	based on the contact address of the registered endpoint, and not replaced
	with the modified dial string.
Resolve to external address	The To header and the request URI are both replaced with the modified dial
	string.
Resolve to service prefix	For a SIP peer proxy of type OCS:
	The To header is replaced with the modified dial string. The request URI is
	based on the address, port, and transport type of the proxy, and not
	replaced with the modified dial string.
	For a SIP peer proxy of type Other:
	The To header and the request URI are both replaced with the modified dial
	string.
Resolve to peer proxy	For a SIP peer proxy of type OCS:
	The To header is replaced with the modified dial string. The request URI is
	based on the address, port, and transport type of the proxy, and not
	replaced with the modified dial string.
	For a SIP peer proxy of type Other:
	The To header and the request URI are both replaced with the modified dial
	string.
Resolve to IP address	The To header and the request URI are both replaced with the modified dial
	string.

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