Cortelco C58P user manual SIP Global Settings

	Different VoIP Service providers may require different modes.
Local port	SIP port. Default is 5060.
Ring type	Set ring tone. There are 9 standard options and 3 user options.
Enable Rport	Enable/Disable support for NAT traversal via RFC3581 (Rport).
Enable PRACK	Enable or disable SIP PRACK function. Default is OFF. It is
	suggested this be used.
Enable Long Contact	Allow more parameters in contact field per RFC 3840
Convert URI	Converts # to %23 when sending URI information.
Dial Without Registered	Allow outgoing calls without registration.
Ban Anonymous Call	Refuse Anonymous Calls
Enable DNS SRV	Enables use of DNS SRV records
Enable Missed Call Log	If enabled, the phone will save missed calls into the call history
	record.
BLF List Number	BLF List allows one BLF key to monitor the status of a group.
	Multiple BLF lists are supported.
Enable BLF List	Enable/Disable BLF List
Server Type	Configures phone for unique requirements of selected server.
RFC Protocol Edition	Select SIP protocol version RFC3261 or RFC2543. Default is
	RFC3261. Used for servers which only support RFC2543.
Transport Protocol	Set transport protocol TCP, UDP or TLS.
Anonymous Call Edition	Set privacy support RFC3323, RFC3325 or none
Keep Authentication	Enable /disable registration with authentication. It will use the
	last authentication field which passed authentication by server.
	This will decrease the load on the server if enabled.
Ans. With a Single Codec	If enabled phone will respond to incoming calls with only one
	codec.
Auto TCP	Force the use of TCP protocol to guarantee usability of transport
	for SIP messages above 1500 bytes
Enable Strict Proxy	Enables the use of strict routing.	When the phone receives
	packets from the server，it will use the source IP address, not the
	address in via field.
Enable GRUU	Support for Globally Routable User-Agent URI (GRUU)
Enable Displayname	Puts quotation marks around the display-name in SIP messages.
Quote	For servers that require this.
Enable user=phone	Sets user=phone in SIP messages.	For compatibility with servers
	that require this.
Click to Talk	Set click to Talk (needs support from server).
	SIP Global Settings
Strict Branch	Enable Strict Branch - The value of the branch must be after
	“z9hG4bK” in the VIA field of the INVITE message received, or
	the phone will not respond to the INVITE.
	Note: This will affect all lines
Enable Group	Enable SIP Group Backup. This will affect all lines
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