User`s manual

SMS mode

SMS saving format in the ISDN GSM gateway:

− TXT: The ISDN GSM gateway saves incoming SMS into files (SMSxxx.txt) in

the text format. The available SMS ISDN GSM program works with these files.

− PDU : The ISDN GSM gateway saves incoming SMS into files (SMSxxx.pdu) in

a special format compatible with the MobilChange application.

GSM Callback Timeout

During this timeout the gateway doesn’t receive any incomming calls with CLIP with

activated GSM CALLBACK. After this period of time the gateway starts receiving this call.

In case the calling party disconnects the call, the gateway will activate CALLBACK

function. Default time=10 seconds

Enable CLIP from GSM to ISDN

By enabling this function you activate transfer of calling party number (CLIP) from GSM

to ISDN. In case, that this parameter will be switched off, CLIP from GSM won't be

forwarded to ISDN.

Replace international country prefix

This function will activate replacing of the international prefix of country where the

gateway is installed.

Enable after free minute spending

With this function you can enable or disable the GSM module which has no free minutes

(in case that this function is activated)

Delay before dialing to GSM (ms) – Delay between receiving called party number from ISDN

and sending to GSM network.

Software checking of incomming call – In case that you activate this function, the gateway

three times checks if on GSM side is really incomming call. It have effect increasing delay

between first ring from GSM network and sending alerting to ISDN interface, but you limit

number of missing incomming calls from GSM which ring length is very short.

Maximum length of call –

It defines maximum length of outgoing connected call for each GSM

module. Parameter is defined in minutes (0=unlimited).

Activate calling numer filtering – When this function is enabled, the gateway will filter Calling

number and keep only 0-9 digits, the others characters (except +) will be removed.

Lenght of virtual ring tone – Gateway with activated the feature will play customized

message* (can be speech or tone) after start dialing to GSM. With this parameter you can

define how length of playback. Playback of the tone will be automaticly interrupted when the call

connected.

*this message you have to upload to the gateway. See page 31, chapter 6.4.3 .