Service Numbers and Area Codes
DIAL	SERVICE
8...	User FonoSIP.com
8004	Our office's answering machine
411	Shortcut to the popular 1 800 555 TELL service
511	Conference Bridge (51112 creates a new room #12)
393 613	Echo Test (Test quality/latency of your connection)
958	Number Reader
393 514	Coffee House
393 612	Automated Time
1800...	800 numbers in USA 800 Directory
00	Calls to fixed lines or mobile phones. Prices Add Credit
001212...	Calls to fixed lines in New York, Usa
005411...	Calls to fixed lines in Buenos Aires, Argentina
003491...	Calls to fixed lines in Madrid, Spain
	Complete list of land line and celular calling prefixes and rates Add credit
	Peering
393	Prefix Free World Dialup
664	Prefix Vonage