You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "checkthatphone", "description": "Validates a given United States phone number and optionally checks its details like carrier look-up, line type, portability status, geoIP, and timezone using an external API service.", "parameters": {"phone": {"description": "The United States phone number to validate.", "type": "str", "default": "8182925409"}, "ip": {"description": "The IP address to associate with the request. Defaults to '172.95.90.55'.", "type": "str, optional", "default": "172.95.90.55"}}}]
Check the details of the phone number 222-333-4444 with an IP address of 192.168.1.1.
user
assistant
[{"name": "checkthatphone", "arguments": {"phone": "222-333-4444", "ip": "192.168.1.1"}}]