MCS VoIP GSM gateway
Gigaset T300/T500 PRO: Software version 188.8.131.52
MCS VoIP GSM Gateway AS551/2V: Software version 3.04100215
MCS Software version 3.10 is not working, use 3.11 instead.
Settings in the MCS VoIP GSM Gateway
Goto: Configuration - LAN settings - LAN interface mode
The Device should have a fixed IP address.
Settings are dependent of the customers network.
Goto: Configuration - SIP access - General
Change the SIP operation mode to SIP peer
Goto: Configuration - SIP access - Names and passwords
Change the Peer IP address to IP address of the Gigaset T300/T500
Goto: Configuration - SIP access - DTMF processing
Enable the option: Convert telephone-event from LAN (RFC2833/4733) to DTMF tones to GSM
This will enable you to use DTMF tones when you called a Interactive Voice Response system.
Goto: Configuration - SIP access - Codecs
Check if G711 A-law/PCMA is selected as the first protocol.
Goto: Configuration - Wired Access - Country specific settings
Check if the country settings are correct.
Goto: Configuration - GSM settings - GSM channels
Change the settings Fix subscriber number, this number is dialled when a GSM call is coming in. In the Gigaset T300/T500, this is the external number that is configured for the MCS Gateway and given to a user or a group.
Settings in the Gigaset T300/T500
Goto: Configuration - Lines and Add a new line.
Provider: Create a new provider.
Use the above settings.
host: IP address of the MCS VoIP GSM gateway