AltiGen MAXCS 7.0 Update 1 FXS Configuration with AudioCodes - Manual (Page 15)

Configuring Analog Extensions with AudioCodes Gateways Page 15 of 25
15. You can turn on the Message Waiting lamp if your analog phones support MWI. When a user has a new
voicemail message, the MWI lamp will flash. Note that enabling the MWI lamp will increase SIP messages
for each configured FXS port.
Skip this step if you do not want to implement this feature.
On the VoIP > GW and IP to IP > DTMF and Supplementary > Supplementary Services page (the same page
as the previous step), configure the following settings in the Message Waiting Indication section:
Figure 21: Configure message waiting indication settings
16. On the same page, configure the following setting in the Conference section:
• Set Enable 3-Way Conference to Disable.
Figure 22: Disable 3-way conference setting
• Set Enable MWI to Enable.
• Set MWI Analog Lamp to Disable. (Enabling this will introduce 120-150 voltage on the RJ11 cable.)
• Set MWI Display to Enable.
• Set Subscribe to MWI to Yes.
• Set MWI Server IP Address to 10.40.1.43) (The MaxCS Server IP address, as shown in Figure 1.)
• Set MWI Transport Type to UDP.