Spectrum fragmentation has impacted roaming possibilities for LTE users, but Verizon Wireless CTO Nicola Palmer says the operator is nonetheless starting to lay the groundwork for international LTE roaming pacts. "Roaming agreements and relationships take time. That's why it is important for us to be out there and advocate that we are ready," she told our sister publication FierceWireless. She noted Verizon intends to make its 700 MHz C band spectrum and its 1.7/2.1 GHz AWS spectrum available for LTE roaming. "We would love for other carriers to adopt one of those bands so we can take in-bound roaming traffic. In terms of out-bound traffic, the other thing that is happening is the devices are maturing. The chipsets are maturing and the amount of bands you can put in a device are increasing. That will be important for global roaming." For more on Verizon's LTE roaming strategy, AWS deployment plans and VoLTE launch plans, check out this On the Hot Seat.