wont able to answer 100% of your questions.
or instance, in your own country: - I am from india
What holidays would impact phone sourcing? - didnt understood this question
What hours of the day/night would impact phone sourcing? Indian normally works from 9 AM - 7 PM, but in india we do have alot of outsourcing company which works according to US timings (9 AM - 6 PM EST).
Would language be a barrier - do most "Gatekeepers" speak English? If not, what is the best way to find someone at that location who does? In India you will find mostly English speaking peoples.
What "social niceties" would impact phone sourcing? didnt understood
What telephone manner would be considered "rude" in your own country? No one would be rude if its an job call, but if its an marketing call than definately they are rude.
Do companies in your own country typically have VoiceMail systems? - Most IT companies have VM Systems
Do individual workers in your country typically have their own desk? Phone? - Yes
What is Internet access like in your own country? - We have all major IS Provider, to name few, BSNL, VSNL, Satyam etc.
What are the "management levels' typically called at companies in your own country?
What are the general characteristics of the person who answers the phone at companies in your country? if you call to companies it would be gate-keeper (We call it receptionist)
What is the general concensus in your country about "poaching" employees from one company to the next? Salary ..…