we have traffics from overseas and would like to terminate them in California so which carrier should be the best provider to work with ? thank you very much.
Any IP traffic provider with less than 150ms delay can do.
again all depends upon your infrastructure too.
The protocol you are using . SIP, H.323, MGCP or SCCP.
Toll bypass can be done over MPLS.
Getting Started
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: