Very much like a regular dual SIM? phone with a few minor differences. First, Senitrus is forward thinking, and understands that only cellular phones being an option, but SIP? accounts can also apply. With that said, the top 2 lines will always be used when making outgoing calls. Let’s assume that you have a personal cellular number in slot 1, and you have a work SIP line in slot 2, when you make a call, you will select the line before making the call. If you don’t select a line, then line 1 will always be used.
If you have your contacts with both personal and work contacts, you can decide which line is automatically used when calling that person. With Senitrus Contacts Manager, you can set whole groups to use a particular line, therefore automatically using that particular line when making calls to that group. If you have a second cellular line, you would have to decide whether to place it slot 2 and no longer be able to make calls with the work SIP line, or place the second cellular line in slot 3 for incoming calls only.
Now let’s assume work sends you out of the country, and you need a cellular data plan. You would still need to be able to answer client calls, and you would still want to make personal calls when out of working hours. You can make your data only SIM as your choice data SIM, and since the data SIM is not likely to have a telephone number, you can set it as Line 3. Your other SIM will be in your eSIM profiles. You can only have 2 cellular lines in the lines since you only have 2 cellular lines on your phone. However, almost all phones supports 8-10 profiles for SIM calls. You would just need to activate the account before you need to use it.