I have our work VOIP account set up on my Android phone. It's integrated into the dialer and works for incoming and outgoing calls. On outgoing calls I have to

I have our work VOIP account set up on my Android phone. It's integrated into the dialer and works for incoming and outgoing calls. On outgoing calls I have to select whether I want to use the SIM or the VOIP account. It's a geographic (local) number to our office and costs £7.99 per month. Seems like it would be easy enough to add one for personal use as well.