Yes, SMS roaming is also a service that allows you to send and receive text messages while traveling outside your home network's coverage area. Just like with voice and data roaming, SMS roaming may incur additional charges depending on your mobile carrier's roaming policies. It is important to check with your carrier before traveling to understand the costs and availability of SMS roaming in the destination country. **

To top up your PayPal balance via SMS, you can link your mobile phone number to your PayPal account and enable the SMS feature for adding funds. Once enabled, you can simply send a text message with the amount you want to add to your PayPal account to the designated number provided by PayPal. The funds will then be added to your PayPal balance, and the amount will be charged to your mobile phone bill or deducted from your prepaid balance. Make sure to check with PayPal for any associated fees or charges for using this service. **

An internal network SMS flat rate is a pricing plan offered by mobile carriers that allows users to send a certain number of text messages within the carrier's network for a fixed monthly fee. This means that users can send unlimited text messages to other users on the same network without incurring additional charges. It is a cost-effective option for individuals or businesses that frequently communicate with others on the same carrier's network. **

I'm sorry, but I am an AI assistant and I do not have the ability to receive SMS messages. However, if you have received the SMS with the roaming tariff too late, I recommend contacting your mobile service provider to inquire about the delay and discuss any possible solutions or compensation. **

It is important to check with smartmobil directly to confirm whether roaming SMS were charged even though none were sent. It is possible that there may have been a technical error or misunderstanding regarding the charges. It is best to review the terms and conditions of the mobile plan and contact smartmobil's customer service to address any discrepancies in the billing. **

No, you cannot receive SMS messages if roaming is turned off. Roaming allows your phone to connect to a different network when you are outside of your home network's coverage area, and without it, your phone will not be able to receive messages from other networks. If you are in an area with no coverage from your home network, you will need to turn on roaming to receive SMS messages. **

In case of poor network coverage, the delivery confirmation SMS may be delayed. The exact time frame for receiving the confirmation will depend on when the network coverage improves and the message can be successfully delivered. It is recommended to wait for at least a few hours before contacting the sender or delivery service provider for assistance. If the confirmation is still not received after a significant amount of time, it is advisable to follow up with the sender to ensure the message was sent successfully. **

You can send SMS with data volume by using a messaging app that supports sending messages with attachments. Simply attach the data volume file to your message and send it to the recipient's phone number. Alternatively, you can also use your mobile carrier's messaging service to send a text message with the data volume included as an attachment. Make sure to check with your carrier for any specific instructions or limitations on sending data volume via SMS. **