10K+
Downloads
Content rating
Everyone
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About this app

SUBLINE is a service that allows you to have a dedicated 050 phone number for work simply by installing an app on your smartphone. Biz Plan is a corporate plan that allows you to acquire and manage multiple 050 numbers. Reduce communication costs for company mobile phones and improve management efficiency.

Characteristic:
・You can use two numbers with one smartphone, so you don't need a mobile phone dedicated to work.
・You can make and receive calls, and you can make calls to both mobile phones and landlines.
・There is no contract length restriction. There is no troublesome paperwork. It can be used immediately after applying from the website.
・Company size does not matter for introduction. It can be introduced quickly from 2 to 100 people.
・With management functions specialized for corporate use, work efficiency is improved.
・ Call charges are billed collectively to the company. Both administrators and staff will no longer have to deal with troublesome settlement work.
・It is possible to separate public and private calls and improve the quality of telephone correspondence by setting detailed incoming calls such as forwarding outside business hours and answering machine settings.

Main features:
・050 numbers that can make and receive calls
- Can call both mobile and landline phones
・Up to 10 patterns of incoming call settings can be set by combining 3 combinations of "ringing time" x "voice message" x "forwarding or answering machine"
・Cloud phone book function (personal phone book, shared phone book, member phone book, favorite registration)
・Call recording function (call recording when outgoing/call recording when incoming)
・Management functions (additional issuance/deletion of 050 numbers/addition/change/deletion of users/consolidated billing/billing tabulation/tabulation/analysis of incoming and outgoing calls)

* To use, a contract is required from https://www.subline.jp.
* Basic charges/monthly charges, number usage charges/monthly charges, and call charges will be incurred for use.
Basic fee/month: Biz Basic 500 yen, Biz Standard 2000 yen, Biz Premium 5000 yen
Number usage fee/month: number of numbers used x 500 yen
Call charges: 20 yen/minute to mobile phones, 10 yen/minute to landlines, 2 yen/minute calls between SUBLINEs of the same contract
*Other charges: recording fee 2 yen/minute
*Consumption tax will be charged separately.
Updated on
Nov 17, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Photos and videos and 4 others
Data is encrypted in transit
You can request that data be deleted

What’s new

・「使用していないアプリを管理する」のアラートを追加しました。
・軽微な修正を行いました。

App support

About the developer
INTERPARK CO., LTD.
systems.interpark@gmail.com
2-16-8, DOGENZAKA BIJINESUVIIPPUSHIBUYADOGENZAKASAKAMOTOBIRU8F SHIBUYA-KU, 東京都 150-0043 Japan
+81 70-4086-4538