Systems IP Phone User Manual

6.14. VoIP – SIP Settings (Message Server)

MWI Message Server

Domain Name/IP address

Message server domain name or IP address.

MWI Message Server Port

Number

Message server listening port.

MWI message Subscribe

Expire Time

The time after which the subscription expires. It is included in SIP SUBSCRIBE

and is used to negotiate with Message server.

Voice Message Account

Voice message account

6.15. VoIP – SIP Settings (Others)

Session Timer

The time interval in which the phone periodically refreshes SIP sessions by

sending repeated INVITE requests. These INVITE requests allow the user

agent or proxies to determine the status of the SIP session.

Media Port

Real-time Transport Protocol port number. Provides end-to-end transfer of data

with real-time audio.