User guide

IG7600 Administration Manual

3.24 IP Trunk

IG7600 can register up to 12 SIP Uplink Servers. The extensions may make a call to the

users of the Uplink Servers, or any user in the world through the Uplink Servers.

• SIP messages, including INVITE, re-INVITE, ACK, CANCEL, BYE, REGISTER,

INFO, REFER and NOTIFY messages

• SIP Proxy, SIP Outbound Proxy, Registrar, and Outbound Registrar

• Auto Registration when Power-on or period

• Session Timer support

• Support IP address, domain name, user name, display name for SIP URL.

3.25 Message Waiting Indication (MWI)

It’s a Voice Mail feature. When somebody leaves messages, the router will inform the

phones, and phones’ LCD will display new voice mails information, and its lamp will flash

accordingly.

3.26 Music on Hold

Any PSTN/IP line calls placed on hold will give music to the other external party.

3.27 Numbering Plan

The Numbering Plan refers to the structure of dialed access to the various resources that

are part of the system. IG7600 also allows for a very flexible configuration numbering for

the various system resources.

IG7600 provides the following resources to be programmed in Numbering Plan.

• Extension Number

• Operator Code

• AA & VM Service Number

• Virtual Extension Number

• PSTN Line Number

• IP Trunk Number

• Trunk Group Number

• All Paging Number