How do I purchase the International Voice Bundles? To purchase IVB, simply dial *675# send and select option 6 as shown below. Note, this bundle is valid for 24 hours only. Related articles How do I view the 43 countries using IVB on my phone? Helpful Network Codes How do I check my International Voice Bundles? What are the available countries that I can use my International Voice Bundles with? How do I unsubscribe from this Social Xpress service?