basix.jp

What It Is

Basix is a cloud-based business IP phone / cloud PBX service provided by Brastel（ブラステル株式会社）. It is designed to replace traditional PBX systems and phone lines with internet-based telephony. Companies can connect phones or related devices to their existing network and use features such as main business numbers, internal and external calls, call transfer, hold, and group incoming calls. It is well suited to Japanese businesses looking to move their office phone system to the cloud.

Core Capabilities and Channels

Based on the available information, Basix is primarily focused on voice: IP phones, extensions, external calls, conference calls, and a fax-to-email receiving service. There is no clear indication of SMS, email marketing, or IM capabilities. Its feature set is fairly comprehensive, including 050 numbers, 0AB-J local area code numbers in some regions, number portability, IVR, voicemail, call recording, ACD, waiting queues, and separate business/personal outbound calling. The business/personal separation feature is practical for field work: employees can place calls from their personal mobile phones while displaying the company number, with charges billed to Basix.

Coverage, Pricing, and Performance

Coverage is clearly centered on Japan. 050 numbers can continue to be used even if the user changes location. Local numbers such as 03, 06, and 052, as well as number portability, are available only in certain areas, including Tokyo, Osaka, Nagoya, Chiba, Kawasaki, Yokohama, and Saitama. Using 0AB-J numbers also requires subscribing to Brastel ISP. In terms of pricing, extension calls, calls between Basix users, and conference calls are free. Calls to Japanese landlines cost 8 yen / 3 minutes, while calls to mobile/PHS numbers cost 18 yen / minute. Number monthly fees are generally 100 yen / number, and features are charged separately. No SLA is disclosed for performance, and the service is explicitly described as a Best Effort IP phone service, meaning call quality depends on the customer’s network, wireless LAN, and endpoint environment.

APIs, Integrations, and Compliance

For integrations, Basix offers Zendesk integration, the Basix CTI Phone API, and an OEM API, though CTI/OEM options are generally quoted separately and technical documentation details appear limited. On the compliance side, Brastel discloses its Japanese telecommunications business notification number and has obtained ISO 27001 certification for its Tokyo head office. The website also provides a privacy policy, information security policy, and contractual terms, giving it a solid baseline level of credibility.

Pros, Cons, and Best Fit

Strengths include simple deployment, no need to purchase a PBX, free extensions across locations, strong mobile work support, and a rich set of number and call center features. Weaknesses include significant limitations on local number availability, incomplete pricing transparency for advanced features, support hours limited to weekdays 9:00-18:00, and no clear information on access, payment, or compliance adaptation for mainland China. Basix is best suited to SMEs operating in Japan, SOHO users, field sales teams, multi-site offices, and organizations that need phone support integration with Zendesk.

Access from China and Alternatives

The available information does not specify mainland China network connectivity, payment methods, ICP filing, or local compliance details, so access from China is rated as “unknown.” If your main business is in mainland China, you should first evaluate enterprise voice services from local carriers, Alibaba Cloud Communication, Tencent Cloud Communication, and Huawei Cloud voice/customer service solutions. If you have an office or customer support team in Japan, Basix is a stronger fit.