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Country-Specific Features and Restrictions

In-Country, Local, or No-CLI Calls Rejected
Symptom When placing local, in-country, or no-CLI calls terminating in t...
Taiwan Voice Features and Restrictions
CLI Voice traffic sent to Taiwan with a local CLI/Caller ID will be filt...
Vietnam Voice Features and Restrictions
CLI Voice traffic sent to Vietnam with a local CLI/Caller ID will be fil...
Hong Kong Voice Features and Restrictions
CLI As regulatory obligations, the Hong Kong Regulator requires carriers...
Issue with High Charges for Transferred Calls to UK from Unknown Calling Number
Symptom When transferred calls have unavailable or invalid CLI, higher r...
STIR/SHAKEN Caller ID Authentication and Robocalls
Question What impact do the FCC STIR/SHAKEN regulations have on my Vonag...
Australia Voice Features and Restrictions
Overview In 2021, the Australian Communications and Media Authority impl...
South Korea Voice Features and Restrictions
CLI Local Korean numbers cannot be used as the CLI to send traffic towar...
Indonesia Voice Features and Restrictions
CLI Only international CLI is allowed. For local CLI, please contact num...
Italy Voice Features and Restrictions
CLI No limitations beyond those in our Acceptable Use Policy. Content No...
Argentina Voice Features and Restrictions
CLI No limitations beyond those listed in our Acceptable Use Policy. Con...
China Voice Features and Restrictions
Overview Chinese carriers have strict requirements to allow Voice traffi...
Japan Voice Features and Restrictions
CLI For inbound calls to Japan Long Virtual Numbers (LVN), if the actual...
Mexico Voice Features and Restrictions
CLI No limitations apart from Local CLI or invalid CLIs as explained in ...
Philippines Voice Features and Restrictions
Overview In 2019, all Public Telecommunications Entity’s (PTE) 7-digit t...
Russia Voice Features and Restrictions
CLI All Voice traffic sent to Russia will be changed to a random CLI (Ca...
Turkey Voice Features and Restrictions
CLI Voice traffic sent to Turkey with a Turkey CLI/Caller ID will be fil...
Can I call premium rate numbers?
Question Can I send Voice traffic only to certain areas or dial codes? A...