Making a call from a Toll-Free number to another Toll-Free number is generally not recommended. This is because the organization responsible for the Toll-Free number, known as the RespOrg, specifies which carrier should handle the call, usually based on geographic codes like LATA or NPANXX. If only a Toll-Free number is involved, some RespOrgs might not have a set path for the call, causing it to fail with a message like "This destination is not available from your calling area." The same issue...

QoS is the abbreviated term for Quality of Service. Since VOIP traffic passes over your shared Internet data connection, your router needs to have some rule set that differentiates VOIP traffic from any other traffic on your network and prioritizes the VOIP traffic. QoS priorities give your call audio packets preference to available bandwidth at your site; this prevents your calls from experiencing jitter or choppy audio caused by conflicts with other traffic on your network. Most cases of poo...

For the highest possible audio quality on your Flowroute calls, you should implement a network Quality of Service (QoS) strategy that prioritizes Flowroute's Direct Media packets.

The Chinese government has tightened down on the traffic they are allowing into the country. Here are some general guidelines we can provide for better completion rates. Suggested best practices: - Use a wide list of originating numbers to call from. - Don't make more than 10 calls a day to the same country from a number. - Limit the calls per second to 1 CPS (Huge flag if faster.) - Spread out the duration of a campaign, or avoid huge campaigns, if possible, because China is ...

Flowroute uses the e.164 format, which starts requiring 11 digits for domestic numbers and can be up to a fifteen-digit number for international. The domestic e.164 number is typically formatted as a North American Numbering Plan Administration style: +1(NPA-NXX-XXXX). The prefix (+) is not required for outbound calls and should not be included in dialing. For Example, - Test call from USA to USA: 1-123-123-4433 (tel:1-123-123-4433) When dialing internationally, include the Internati...

Flowroute transmits the Caller ID Number based on the presence of one of the following header fields in order of preference. - CNAM - is controlled separately in your Flowroute account for US numbers. To set CNAM, please see [this article](https://support.flowroute.com/864912-Set-an-Outbound-Caller-ID-Name-CNAM-Storage). - Caller ID - Used for non-US numbers. If the Caller ID is used, the CNAM will be passed along with the SIP signaling. Even still, it is not guaranteed to be intact as the call...

International Calls Flowroute fully supports international calls, both inbound and outbound, for clients. However, due to the higher rates in some destinations, the most common fraudulent calls occurs over international destinations. Because of this, we are forced to place some basic security measures to protect you. While in many cases, making an international call is flawless, there may be some cases where you are unable to place such calls. If you are unable to make international calls, th...