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OZEKI NG SMS Gateway - Product Guide

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  Introduction
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  Installation Guide
  Prerequisites
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  Installation Steps
  Service Provider Connections
  GSM Modem connectivity
  Installation of a Wavecom modem
  Multiple modems
  Installation of a modem driver
  CMS Error codes
  Connection problem
  USB connection
  Manual USB driver installation
  MMS downloads
  GSM modem debugging
  Installation of a Sierra Fastrack modem
  Change frequency in Wavecom modem
  Transfer calls from SIM card
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  SMPP connection
  UCP Connection
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Automated phone calls?
Ozeki Phone System XE VoIP PBX software is an advanced PBX built for automated voice calls and 2 way SMS messaging. It has outstanding APIs for software developers. It can be used for:

Phone calls from SQL
Phone calls from HTTP
Voice and SMS applications

Callcenter developers
If you are working on telephone solutions, please check out the Ozeki VoIP SIP SDK.
It can be used to create VoIP client and server software.

Contact Us!
If you wish to get further information, do not hesitate to contact us!

E-mail: info@ozekisms.com

If you have a technical question, please submit a support request on-line.

How to transfer calls from SIM card to another phone number using a Sierra Fastrack GSM modem

Please follow the guide below to be able to transfer incoming calls from a given SIM card to another telephone number when you use Sierra Wireless Fastrack Xtend GSM modem.

Why to transfer calls

Transferring refers to redirecting incoming calls from the SIM card to an other phone number.

Transferring of incoming calls can be useful when there is an incoming call to the GSM modem while SMS messages are also being sent. In these cases the message sending process can be interrupted by the phone call or the message sending is slow down.

You can avoid these cases by transferring these incoming phone calls to an other telephone number. In this way, calls arriving to the given SIM card will be forwarded to the other phone number.

For transferring calls from the GSM modem you will need Hyperterminal. Please note that Hyperterminal is included in Windows XP or older operating systems but if you use newer operating system than Windows XP you need to download Hyperterminal.

You can download Hyperterminal from the following webpage:
http://www.hilgraeve.com/htpe/download.html

Configuration guide

It is assumed that Hyperterminal has already been downloaded and installed on your PC.

First of all, start Hyperterminal (Figure 1).


Figure 1 - Start Hyperterminal

Create a new connection in Hyperterminal and provide a name for the new connection and click OK (Figure 2).


Figure 2 - Provide name for the new connection

Select the port to which the GSM modem is connected in Connect using field. Then click on Configure button to configure the the port (Figure 3).


Figure 3 - Configure the port

Set Bits per second field to 115200 and click on OK (Figure 4).


Figure 4 - Set Bits per second

In the next window just click on OK (Figure 5).


Figure 5 - Just click OK

You can test the connection by using an AT command. If OK is returned then the connection is successful and communication with the modem is possible (Figure 6).


Figure 6 - Test the connection

Now you can issue the call-forwarding command: AT+CCFC=0,3,"telephone number"
For example: AT+CCFC=0,3,"+36301234567".

Please note that in this command you always need to give the telephone number in international format (with + sign) and between quotation marks ("")

You can issue this command as follows:

AT+CCFC=<reason>,<mode>[,<number>] 
<reason>
0: Unconditional
1: Mobile busy
2: No reply
3: Not reachable
4: All call forwarding
5: All conditional call forwarding
<mode>
0: Disable
1: Enable
2: Interrogate
3: Registration
4: Erasure
<number>
After issuing this command phone calls arriving for this SIM card will be forwarded to the specified phone number (in this example, to +36301234567 telephone number) (Figure 7).


Figure 7 - Call forwarding command

If you do not need call forwarding anymore (for example you wish to use the given SIM card in mobile phone and not in the modem) you need to issue the following command to disable call forwarding:
AT+CCFC=0,4 (Figure 8).


Figure 8 - Command to disable call forwarding

Conclusion

If you follow the steps of this guide you will be able to avoid inconvenient cases when SMS sending process is slow down or interrupted because of an incoming call. In case the call forward is not required anymore you can easily disable it.

If you need any assistance please contact us at techsupport@ozekisms.com

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