Cortelco C58 用户手册

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

Quote

Puts quotation marks around the display-name in SIP messages.

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