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ManualsBrandsCortelco ManualsComputer equipmentC56P

Proxy Server Address

Set proxy server IP address（Usually, Register SIP Server

configuration is the same as Proxy SIP Server. But if your VoIP

service provider give different configurations between Register

SIP Server and Proxy SIP Server, you need make different

settings.）

Proxy Server Port Set your Proxy SIP server port.

Proxy User Input your Proxy SIP server account.

Proxy Password Input your Proxy SIP server password.

Domain Realm

Set the sip domain if needed, otherwise this VoIP phone will use

the Register server address as sip domain automatically. (Usually

it is same with registered server and proxy server IP address).

Backup Server Address Input the Backup Server Address, if the primary server is

unavailable , then the phone will enable the Backup Server

Address

Backup Server Port Specify the Backup Server Port

Enable Registeration Start to register or not by selecting it or not.

Disable Codecs/Enable

Codecs

Use the navigation keys to highlight the desired one in the

Enable/Disable Codecs list, and press the desired to move to the

other list.

Forward Type

Select call forward mode, the default is Off

Off：Close down calling forward

Busy：If the phone is busy, incoming calls will be forwarded to

the appointed phone.

No answer： If there is no answer, incoming calls will be

forwarded to the appointed phone after a specific.

Always：Incoming calls will be forwarded to the appoint phone

immediately.

The phone will prompt the incoming while doing forward.

Forward Number Specify the number you want to forward.

No Ans. Fwd Wait Time

Specify the No Answer Forward Delay Time，if the Forward

Type is No answer, incoming calls will be forwarded after the no

answer forward wait time

Transfer Timeout For the phone supports the transfer of certain special features

server, set interval time between sending “bye” and hanging up

after the phone transfers a call.

Enable Hotline Specify Hot Line by selecting it

Hotline Number Specify Hot Line Number, the phone dial the hot line number

automatically at hands-free mode or handset mode after warm

line time

Warm Line Wait Time Specify the Warm Line Time

SIP Encryption Enable/Disable Signal Encrypt.

SIP Encryption Key Set the key for signal encryption.

RTP Encryption Enable/Disable RTP Encrypt.

RTP Encryption Key Set the key for RTP encryption

Enable Auto Answer Enable Auto Answer by selecting it

Auto Answer Timeout Specify Auto Answer Time, the phone auto answers the incoming

call after Auto Answer Time

Enable Session Timer Set Enable/Disable Session Timer, whether support RFC4028.It