Is it right time to wrap up voice into LTE data packages?

Wireless carriers are in no rush of folding their voice services into their LTE data packages ignoring fact that ARPU go up as a result of deploying LTE as their data technology. More of it, Infonetics says that roughly one-third of carriers survayed said thay "plan to use their 2G/3G networks for voice services as long as possible".  \\bgr.com