This is a coin-operated payphone that works on the GSM network. The payphone can be used with all types of pre-paid and post-paid SIM cards. This payphone has built-in security features, such as a network lock, a SIM lock, a BTS lock, password protection, etc. It has built-in echo cancellation and noise suppression circuits.

• Built-in caller ID.
• Keep record of SIM phone book.
• Built-in battery charger.
• Pre-paid call facility.
• Sub-total display for last 10 calls.