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OZEKI NG SMS Gateway - Product Guide

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Frequently asked questions

E-mail to SMS and SMS to E-mail forwarding

Can I forward a single e-mail to many SMS numbers?
 Yes, you can forward every e-mail to upto 20 SMS numbers.

To forward an e-mail to many numbers all you have to do is to enter all the SMS numbers separated with a semicolon into the "Send SMS to (phone number):" field in the "E-mail to SMS" tab of the E-mail user configuration form.
 More information is available at: http://www.ozekisms.com/index.php?owpn=225

Can I forward an incoming SMS to many e-mail addresses?
 Yes. There is no limit to the number of e-mail addresses that can receive a copy.

You should create an e-mail user for each recipient e-mail address in the "Users and applications/Add user" menuitem. Following this you should add incoming routes in "copy" mode to the inbound routing table for each user to forward a copy of the incoming messages to the appropriate e-mail addresses.
 More information is available at: http://www.ozekisms.com/index.php?owpn=226

Can the software download e-mails from POP3 accounts and forward them as SMS messages?
 Yes the software can be configured to download e-mails from any standard POP3 e-mail account. It support standard POP3 connections (port 110) and SSL based POP3 connections (port 995).

You can use this option to download e-mail from your Internet Service Provider, your Linux mailszerver, from your company Exchange server or from Google G-mail. To setup this feature all you have to do is to add an E-mail user to the software using the "Users and Applications / Add user" menuitem and configure "E-mail to SMS" forwarding.

Does the software have escalation capability? In more detail can we create a script by a specific keyword in incoming email with the following rule: "Forward SMS to 1st Number, wait for the response within specific time: 3 minutes. If there is no response, forward SMS to 2nd Number, wait for the Response within specific time: 3 minutes, ... up to 10 numbers."
 The software does not support this kind of scripting.

Such a solution can be create with the help of an external application, you can develope it yourself or you can request for a price quote for the development from Ozeki Informatics at info@ozeki.hu.

Does the software support secure SSL based POP3 connections for downloading e-mail?
 Yes it does.

All you have to do is check the "SSL" checkbox in the "E-mail to SMS" tab of the E-mail user configuration form.

Does the software support Secure SSL based SMTP connections?
 Yes it does

To enable this option you have to configure it in the "Advanced" tab of the E-mail user configuration form.

If I create 500 e-mail to SMS Accounts and Ozeki is set to pick up e-mail from 500 different POP3 e-mail accounts (account1-500@domain.com) every 90 seconds - What will be the impact on the system?
 The e-mail server will die. The SMS server will not delay the polling untill sufficient capacity is available. This means that 90 second polling intervall would go up to several minutes.

If you want to setup an e-mail SMS gateway, setting up 500 POP3 clients is not a good option. The POP3 technology is based on polling, which means that both the e-mail server and the SMS server is likely to become overloaded with this setup.

In this scenario, you should configure an eventdriven system. This means, that if an e-mail arrives to the mailbox it should trigger an event, e.g.: a HTTP request to send the SMS. Polling is not a good option. I can give you more detailed information about this event triggering if you give us more information abou the e-mail server. For example on a unix/procmail system, you can achieve your goal by editin a small procmail script.



If my SMTP server requires authentication, can I specify my SMTP username and password?
 Yes the software supports SMTP servers that require user authentications and it also supports SMTP servers that do not require user authenthentications.

To enable SMTP user authentication, you have to configure it in the "Advanced" tab of the E-mail user configuration form.

Is the following numberformat supported: +322010444455@sms.domain.com?
 No it is not.

Conserning technology this product works as an e-mail client. It can download e-mail messages using POP3 from a mail sever and can forward them as SMS messages. If incoming SMS messages are received, they are converted to e-mail and sent using SMTP through a mail server.

The +322010444455@sms.domain.com number format would require the SMS server to have a built in mail server. Based on our experiences we have found that including a mail server in an SMS Gateway is not a good option (Ozeki Message Server 6 has a mail server included). The are many reasons for this. For example:

- The number of SPAM messages, and e-mail viruses are growing and the SPAM traffic can reduce the efficiency of the SMS gateway. Setting up and updating SPAM filtering on external mailservers (Exchange, Sendmail, etc) is much easier.

- Often the SMS Gateway is installed on a computer that already has a mail server running, and it cannot allocate the SMTP port (25), to receive outgoing mail messages.

- E-mail bounce backs and mail loops, are harder to handle and can also decrease the performance of the SMS functionality.

So the answer to your question is, that we do not support this phone number format in Ozeki NG. You should put the phone number in the subject line :).


Is the software able to get email (Pop3) and send (SMTP) with clear from headers/footers/attachments codes – only first 160 characters that will send to SMS?
 Yes, the software does not include the headers/footers/attachments in the e-mails. It extracts the subject line and the text of the message body. You can configure what is the maximum length of text that should be forwarded in SMS. If you set this number to 160 characters, only 1 SMS will be sent.



Is there filtering capability by specific keyword on incoming email?
 You can configure keyword(s) in the SMS software. If an e-mail subject contains the specified keyword(s) it will be sent in SMS.

To configure keyword based filtering, you need to open the "Filter tab" of the "E-mail user configuration" form. In the filter tab enter your keyword into the "Keywords in Subject" editbox.
 More information is available at: http://www.ozekisms.com/index.php?owpn=225

Is there filtering capability by specific keyword on incoming SMS?
 Yes, you can decide which e-mail address should receive the incoming SMS message. You can forward an SMS messages to one or more e-mail addresses based on the keyword of the SMS messages.

Keyword based filtering is handled in the routing configuration. To use this option, you have to add a new incoming route to the "Inbound routing" table. The "Inbound routing" table can be edited by clicking on the "View/routing/inbound" menuitem.

In the "Inbound routing" configuration form, you should click on "Add" to create a new route. In the new route creation form, select the source (service provider), where the incoming SMS message is coming from, enter your keyword into the "Condition 3. (Keyword):" editbox and select the destination e-mail user.

If you want to forward the incoming messages to only one e-mail user set the Mode option to "Move" and you are all set. Click "OK" to exit.

If you want to forward the incoming messages to more then one e-mail user you should set the Mode option to "copy" then click "OK" and you should create a similar rule for the the second user, and for the fird, fourth, etc... user.
 More information is available at: http://www.ozekisms.com/index.php?owpn=138

Routing

How can I send SMS messages reliably to different global destinations?
 Ozeki NG supports multiple SMS service provider connections. You can sign agreements with SMS service providers all over the world and can use this SMS gateway to connect to them from a centeral location over the Internet.

When you use multiple service provider connections, each connection has a name. In the routing table you can refer to this name when you create outbound routes. Outbound routes determine which connection will be used to send a particular message.

Performance and scalability

Can I set credit limits for each client / each user?
 yes

The credit limit handling feature is included in Ozeki NG - SMS Gateway v2.1.0. (and newer versions). It is handled the following way: every user has a configuration form that allows accounting and credit limit settings. On the configuration form you select an accounting period (daily, weekly, montly, yearly or all time) and you can assign a credit limit for the given period. In addition to setting credit limits, you can define costs for each message route. (e.g.: messages sent through Vodafone can be configured to deduct 1.2 credits and messages sent through T-Mobile can be configured to deduct 1 credit from the balance of the user.) On the user configuration form it is also possible to get usage summary and usage detailes reports that show the traffic history of the user. These reports can be used for invoicing.


Does your gateway support clustering over multiple servers and how does it occur?
 Clustering us required if a large number of users need to connect to the service. An Ozeki SMS Gateway cluster is a set of indepenet computers. Each computer has Ozeki NG installed on it. Each Ozeki NG connects to the appropriate SMS service providers independently and serves users independently of other members of the cluster. Customer connections are distributed among the members of the cluster in two ways: DNS based server selection or preselecting router.

The DNS based selection is simple, the DNS server returns IP addresses for the DNS queries using the round robin algorithm. IP addresses are selected from the pool of addresses assigned to the cluster. A preselecting router uses network address translation to distribute load among the servers.

How can I configure the system for best performance?
 The most important in tuning the system for performance is to disable functionality that requires disk operations. The two most obvious things to do are to disable persistent message queues and to disable detailed logging. Also it is a good option to limit the number of outgoing and incoming routes to the minimum and to disable other unneccesary functionality, such as accounting, unused user and application configurations etc.

You can purchase consultancy or you can purchase our performance optimization service to help you tune your system.

How can I handle unreliable service provider connections?
 The software has a built in loadbalancing functionality that is useful for two reason. It can be used to handle unreliable service provider connections and to increase the message capacity. To handle unreliable service provider connections we recommend to setup two simultanous connections to the same serviceprovider and configure the software to do loadbalancing between them.

To setup loadbalancing between two serviceprovider connections, you should assign the same service provider name to both connections in the configuration form. (You can have up to 10 connections assigned to a balanced connection.)
 More information is available at: http://www.ozekisms.com/index.php?owpn=161

How can I increase the capacity of an IP-SMS service provider connection
 We recommend to open two connections to the same service provider and configure the SMS gateway to perform loadbalancing between them.

 More information is available at: http://www.ozekisms.com/index.php?owpn=161

How can I increase the reliability of this SMS gateway?
 First we should mention, that this SMS gateway was designed to work 24/7. It is very reliable. However it might be possible, that there is a power outage, the hardware fails or the network goes down or some other external problem occurs (e.g. the hard disk becomes full, the memory becomes exhausted, etc). To overcome these issues we suggest to run two instances of the software on two different PC-s in two different locations. This way you can make the system more tolerant for failures.

If you have two systems running, you can switch to the backup system manually in case you experience problems. Automatic switching is also possible with external software solutions.

How do you set daily and monthly message through put limits for SMPP Clients and other users (SQL user, E-mail users, etc)?
 You can use the credit limit handling feature for this, but you must decide which period you would like to use. You can have daily or montly limits, but you cannot have both at the same time.

The credit limit handling feature allows you to set a limit for the number of messages transmitted in a given period of time. This period can be daily, weekly, monthly, yearly or all-time.

If you have 1,000 SMPP Clientsn or other users (SQL users, E-mail users) connected how do you control the various message queues? i.e how many messages to send from each queue in turn?
 The algorithm is round robin. This means, that in every round one message is taken from each user's outbox. This way the users share the sending capacity evenly.

This means, that if the first user has 10000 messages in his outbox, while the second user has only 100, the second user does not have to wait for the transmission of the 10000 messages.

What is the scalability schema of the software?
 The software's core performance depends on the underlying hardware. The scalability method we recommend depends on the way the software is used. If a relatively small amount of users generate a high volume of traffic the hardware should be replaced to a more powerful one. If the number of users is great and the amount of trafic generated by the users is small we recommend adding more PC-s to the system.

In terms of hardware metrics, the most important are CPU resources and memory. For high volumes of traffic multicore and multiprocessor PC-s are recommended, because the software uses multiple threads to handle service provider connections, so it can utilize parallel processing. The amount of memory is another important factor. If several GB of memory is installed it allows caching data in memory which improves performance. Network speed is usually not a limiting factor in IP SMS connections. Allthough we recommend fast SCSI hard disks, the speed of hardware is not very important, because with careful configuration harddisk access can be limited to a minimum.

Please note, that very often the limiting factor regarding message capacity is the limitation of the service provider.

SMSC and SMS Service provider connectivity

Can I adjust the parameters for sending? For example if the phone number starts with +44777xxxxxx I would like to use one SMS Service provider and if it starts with +3620xxxxxx I want to use another.
 You can define outgoing routes using telephone number prefixes. This is called least cost routing.

You can also decide which route should be used by sender, receiver phone number or by message content. You can use wildchars (regular expressions) to define routing conditions.
 More information is available at: http://www.ozekisms.com/index.php?owpn=138

Can I change the sender phone number if I use a GSM Modem?
 No. If you use a GSM Modem you cannot modify the sender address.

This is not a limitation of the software. It is a limitation of the GSM technology. There is no way to specify the sender address from MO (Mobile Originated) SMS messages. If you use an IP SMS connection (SMPP, CIMD, UCP), you can manipulate the sender address. In this case MT (Mobile Terminated) SMS messages are created and MT messages allow us to change the sender address.

If you send out an SMS message from a GSM modem, the telephone number associated with the SIM card in the GSM modem will be displayed as the sender address.

Can I install multiple modems in Ozeki NG?
 Yes you can use up to 128 modems simultaneously. You can connect the modems through USB or RS232 ports to your system.



Can I send SMS messages through more than one service providers?
 Yes, depending on your license you can install more then one service provider connections and you can use these connections simultaneously for both sending and receiving messages.

Ozeki NG has an excellent routing mechanism that allows you to route messages to the appropriate provider and to the appropriate application. You can define outgoing routes in the application meaning your application can select which service provider should be used to transmit the message. You can also use the routing table of the SMS gateway.

Is your gateway fully compatible with Huawei hardware SMSCs
 The software implements the following IP SMS standards: SMPP v3.3, SMPP v3.4, CIMD2, UCP/EMI 4.0. If an SMSC can accept a connection using one of these standards, the SMS gateway can communicate with it.

We do not have experience with the Huawei hardware SMSCs, but there should not be a problem.

The delivery report (onMessageDeliveryFailed) is retrieved for every failed attempt or is just retrieved when the max number of tries is reached?
 It is just retrieved when the max number of tries is reached.



Common questions

Does the software run as a Windows Service?
 Yes, the software runs as a windows service in the background.

The advantage to this is that you do not have to log into the computer to have the software running. Another advantage is that if the server is rebooted the service will start automatically.

Is there any test account or trial software?
 A trial version of the software can be downloaded from the following URL: http://www.ozekisms.com/index.php?owpn=112

Please not that this version can be used to understand the functionality of the software

The software runs as a windows service by default. Is there a way to run it as an application?
 Yes

You can use a command shell (cmd.exe) and run the software with the /run command line argument from the program files/Ozeki directory. You would issue the following command to run the software in application mode: "C:\Program Files\Ozeki\OzekiNG - SMS Gateway>OzekiNG.exe /run"

What API's do u provide?
 The software provides various API-s and examples for many programming languages. The most popuar are: the SQL API, the HTTP API, the E-mail API and the File API. Software developers often connect to the SMS gateway using the built in SMPP server.

Example program codes are availbe for C#, C++, ASP VB, PHP, Java and Delphi

Message Types

Were looking at deploying a SyncML backup server. Is it possible to push SyncML setting via your SMS sever to mobile phones. Basically the user would sign up via WAP or WEB to the service (all this is already sorted out) and after signing up we would then like to push the Synchronization setting via SMS is this possible?
 Ozeki NG SMS Gateway can be used to push SYNCML settings to mobile handsets. It can use a GSM Modem attached to the server with a phone-to-pc data cable or it can use IP SMS connections (SMPP, CIMD2, UCP/EMI protocols) to send this information. To send syncml settings, you can use an HTTP request to post the settings in XML form to Ozeki NG or you can use a database server, such as (Oracle, MSSql, MySql, etc) and put the settings into a datbase table. Ozeki NG will read the table and push the settings in SMS to the destination mobile phone.

To use Ozeki NG to push SyncML settings in SMS to mobile phones from applications you should use the SMS:WAPPUSH:OTASYNCMLSETTINGS message type. If you want to test the system, you can select the WAP OTA SyncML Settings option in the compose menu.

Hardware and software requirements

Can I use Ozeki NG and Ozeki Message Server 6 on the same computer with the same GSM modem at the same time?
 It is not possible. A GSM modem can only be accessed exclusively. This means that if you connect to it using an application (Ozeki NG), it is locked and cannot be accessed by another application (Ozeki Message Server 6).

Solution: To enable both software to send SMS messages, we recommend to configre the GSM modem in Ozeki NG, and use Ozeki NG as an IP SMS service provder for Ozeki Message Server 6. Ozeki NG has a built in SMSC that can be used to connect client with the SMPP protocol. To use this option, all you have to do is create an SMPP user account.

You can connect to the built in SMSC of Ozeki NG from Ozeki Message Server 6 (or any other SMS software) using the following connection information: ip 127.0.0.1, port 9500, SMPP username, and SMPP password. (The SMPP username and SMPP password are specified by you when you create the SMPP user in Ozeki NG.)

Can I use Ozeki NG and Ozeki Message Server 6 on the same computer with two modems?
 Yes you can. If you have a modem assigned to Ozeki NG and another assigned to Ozeki Message Server 6, the two programs can work along side each other.

The two modems can be different (or identical) models.

Do I need a dedicated server?
 No

The SMS Gateway can be used with other applications installed on the same hardware. Ozeki NG runs as a windows service in the background.

Does the software require a database server? Does it require any database connectivity drivers, such as ODBC drivers?
 The SMS Gateway does not require any database server or database connectivity software by default.

However you can configure the software to act as an SQL-SMS gateway or to log incoming and outgoing messages into a database. In this case the software uses an OleDb or an ODBC database connection, and can attach to any database server. If you use an SQL-SMS gateway configuration the software requires a database server and optionally an appropriate ODBC or OleDb driver.

What are the software requirements?
 OS: Windows XP SP2, Windows 2003, Windows Vista
Installed software: .NET Framework 3.0
Installed software: Windows Installer 3.1


.NET Framework 3.0 and Windows Installer can be downloaded from Microsoft's website free of charge.

What is the minimum hardware requirement for the PC I will use to run the software?
 CPU: Intel Pentium III, 450 Mhz
RAM: 512 Mb
Hard disk space: 50 Mb
Ports: RS232 and/or USB (if you use a GSM modem)
Network: Internet connection (if you use IP SMS connection)


If you want to attach an RS232 GSM modem (for example a Wavecom Fastrack) to a USB port, you can use an RS232 to USB converter.

This configuration can server 10MPM between your outbox and your IP SMS service provider.

What is the recommended hardware for the PC I will use to run the software?
 CPU: Intel P4D 3Ghz
RAM: 2 GB
Hard disk space: 500 Mb (SATA or SCSI)
Ports: RS232 and/or USB (if you use a GSM modem)
Network: Internet connection (if you use IP SMS connection)


If you want to attach an RS232 GSM modem (for example a Wavecom Fastrack) to a USB port, you can use an RS232 to USB converter.

This configuration can server 300MPS between your outbox and your IP SMS service provider.

What is the recommended Operating System?
 Windows XP SP2
Windows 2003




What kind of communication ports and protocols are used? Should I open any ports on my firewall?
 The software listens on TCP Ports 9500-9503. All ports can be blocked on your firewall.

TCP Port 9500 (protocol SMPP), provides SMPP client connectivity
TCP Port 9501 (protocol HTTP), is used for Administration (HTTP interface for webbrowsers)
TCP Port 9502 (protocol TCP/HTTP), is used by .NET Remoting client connectivity
TCP Port 9503 (protocol HTTP), is used by ParlayX webservice client connectivity

Which phone model/GSM modem do you recommend?
 Wavecom Fastrack MB1306B, Siemens MC35, Siemens TC65, Maestro 100

To choose a working device, please make sure the phone has the following features listed in its technical specifications:

- The phone should have a built-in modem.
- The phone should have a USB or RS232 data cable.
- The phone should support the GSM 7.05 standard for SMS messaging.
- The phone should NOT have the Symbian OS. If your GSM phone operates with Symbian you can send SMS messages whereas you will have permanent problems with SMS receiving.

We suggest you get an Industrial GSM modem, such as a Siemens MC35, a Wavecom Fastrack or Maestro 20/100 modems. These GSM modems are very stable and reliable GSM phones, which can be used to build professional applications. They can be connected to a PC using an RS232 cable.

Most GSM handsets manufactured by Siemens, SonyEricsson also work well

Based on our experience we do not recommend Nokia models and PCMCIA modems.

Symbian based telephones cannot be used to receive SMS messages.




Will the software run on a Virtual Machine, such as VMWare, Microsoft Virtual PC?
 Yes

If you use IP SMS connection the SMS Gateway will work well. If you use an USB GSM modem you might experience problems getting the modem to work in your Virtual Machine. You must make sure the driver that comes with the USB modem supports the Virtual Machine. Please note that the performance of virtual machines are often poor.

Message coding

Can I receive SMS messages sent to a long code number?
 Yes you can. Long code means, that the telephone number is longer then the standard phone number length in the network. In this case you can use the postfix part of the telephone number as a message id. e.g.: The phone number is +441112222222, and you receive a message to +441112222222777 where 777 is the postfix.

You can use the software to receive SMS messages to a long code numbers only if you use an IP SMS connection such as an (SMPP, UCP, CIMD2). The GSM modem technology does not permit this. If you use a GSM modem, you can only receive messages on the appropriate MSISDN number.

SQL to SMS gateway

We would like to specify different sender mobile numbers for outgoing messages. Is it possible to do it in the SQL tables to assign the sender mobile number?
 Yes, it is possible. You should use the originator field to specify the sender number.

To configure this option, you have to check the "overrideable" checkbox in the sender address section, in the advanced tab of the SQL User configuration form.

Problem resolution

Any configuration is lost after making any restarts, what can I do about this?
 You should give write permission to the service, so it can save configuration information in the following directory: "C:\Program Files\Ozeki\OzekiNG - SMS Gateway"

This problem occurs, when the Ozeki NG service is not able to save the configuration file into the configuration directory. The configuration directory is: C:\Program Files\Ozeki\OzekiNG - SMS Gateway\config. Please enable write access to the service for this directory.

Cost control and usage statistics

Can I create reports and statistics from the data of sent messages.
 You can do this if you configure SQL logging.

With SQL logging you can save all messages in a database table and you can use SQL queries to create statisitics and reports.

Can I maintain a log of all sent and received messages in an SQL Server?
 Yes you can.

The software can be configured to connect to any database server, that has an OleDb or ODBC driver. For example you can use MSSQL, Oracle, MySQL, Postgres, Access, etc... to store information about sent and received messages.

If a message is received or sent by the SMS gateway it will use an SQL Insert statement to insert a new record into the database. The SQL statment will contain the sender number, the recipient number, the message text and the timestamp. You can configure this SQL statement to include other fields, such as sending user, message type, etc.

The database that collects the traffic information can be used to make various reports using SQL queries.
 More information is available at: http://www.ozekisms.com/index.php?owpn=378

Does the software provide a way that limits the maximum number of messages a user can send?
 Yes, you can enable accounting and credit limits on the configuration form of each user/application.

If you enable accounting for a given user, you can define daily, weekly, monthly and yearly credit limits. If this option is enabled, the user cannot send more then the number of messages specified in the limit. The accounting feature will create a report at the end of each month that shows how many messages were sent in that month by the user.

What is the recommended database server for SQL logging
 We recommend Microsoft SQL Server.

It has a relatively bug free native OleDb driver, and a good implemenatation for storing large volume of data.

Application connectivity

Can I save incoming SMS messages (sender address, message text, timestamp) in a database server (MySQL/MSSQL)
 Yes, you can save messages with the database user, or you can configure SQL logging.

The software supports MySQL, MSSQl, Oracle, Access, Postgres, Sybase and all other database servers that have an OleDb or ODBC driver. It is very easy to setup the SQL connection.
 More information is available at: http://www.ozekisms.com/index.php?owpn=164

Can I send SMS messages from a PHP webpage through the Ozeki SMS Gateway.
 Yes you can.

You can use an SQL server, such as MySQL as an interface between the SMS Gateway and your PHP application, or you can use HTTP requests to post your messages to the gateway.
 More information is available at: http://www.ozekisms.com/index.php?owpn=204

What kind of message formats (SMS, MMS, EMS, ringtone, screensaver, vCard, background picture, stb.) are supported
 Many message formats are supported by the software. Take a look at Appendix J of the On-line manual for the latest list.

 More information is available at: http://www.ozekisms.com/index.php?owpn=223

What kind of text encoding can be used?
 The GSM SMS standard uses the GSM 7bit alphabet and the UCS2 unicode alphabet for character coding.

The Ozeki SMS Gateway software can convert messages from almost any character set to the appropriate character coding before sending and after message reception. For example if a chinese message is sent in utf8 to the gateway, it will send it useing the UCS2 GSM SMS alphabet. If an english message is sent using plain ASCII the GSM 7 bit character set will be used. You can configure the character encoding policy on the configuration form of each service provider connection.

Commercial questions

Are there any hidden costs?
 No.

When you the software product, you have to pay a single license fee up front. There are no other costs. (Please note, that you will have to pay to your SMS service provider for sending messages, but this is an agreement between you and the SMS service provider. Ozeki is not involved in it.)

Can I get a proforma invoice prior to the order?
 Yes.

If you need an proforma invoice before you place an order, please let us know, we can send you one. You can request a proforma invoice by sending us your billing information and your mailing address. You will receive the final invoice after you have purchased the product.

How can I purchase the product?
 You have to select which license you wish to buy, and you have to pay the license fee by wire transfer or you can place credit card order on our website.

To get the bank information for wire transfer, please send us an e-mail to info@ozekisms.com. After your payment arrives we will send you a license code in e-mail. You can use this code to activate your installed product.
 More information is available at: http://www.ozekisms.com/index.php?owpn=242

What are the one time and the monthly costs?
 There is a one time cost when you purchase the software. The price depends on the license you pick. There is no monthly cost for using the software.

Do not forget that you need a SIM card with a GSM modem or an IP SMS connection from an SMS service provider to be able to send / receive SMS messages. The SIM Card and the IP SMS account will probably have a monthly cost.
 More information is available at: http://www.ozekisms.com/index.php?owpn=242

Will I get an invoice?
 Yes.

When you purchase the product please send us the billing information, and the mailing address in e-mail and we will send you the invoice by postal mail. If you have any special requirements, regarding what kind of extra informatino should be written on the invoice, please let us know.

HTTP to SMS gateway

If I uninstall a user named "AAA" then try to create a new user also named "AAA" the system tells me "AAA" already exists, even if it has been uninstalled... How do I delete these uninstalled users definitively?
 When you delete a user it is marked as deleted by the system. The reason it is not deleted permanently at run time is due to the internal architecture of the gateway.

You have to restart the service in Start, Control Panel, Administrative Tools, Services to have the user removed permanently.

Why are changes in the physiscal configuration files are not reflected in the web Admin interface?
 Configuration files are read when the service is started.

For performance reasons, configuration information is stored in memory. You need to restart the Ozeki NG SMS Gateway service in Start, Control Panel, Administrative Tools, Services in order to have your configuration changes applied.

Why, sometimes do I get a message from my HTTP client user that says that it cannot resolve the name corresponding to the URL it is calling?
 Your internet connection might be down, or your DNS server might not return a response to a DNS query.

In most cases this problem happens if your DNS server is temoprarily out of service. You can add your hostname to the C:\WINDOWS\system32\drivers\etc\hosts file to work around this problem. This file is checked for the hostname entry before a DNS resolution happens. If the file contains the IP address for the searched hostname, the IP address in the file is used and no DNS lookup is performed.

Source: http://www.ozekisms.com/index.php?owpn=367
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